771376914 has 144 divisors (see below), whose sum is σ = 2171426400. Its totient is φ = 195698160.

The previous prime is 771376913. The next prime is 771376927. The reversal of 771376914 is 419673177.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (222264) is a multiple of the sum of its prime factors (162).

It is a self number, because there is not a number n which added to its sum of digits gives 771376914.

It is not an unprimeable number, because it can be changed into a prime (771376913) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17938977 + ... + 17939019.

It is an arithmetic number, because the mean of its divisors is an integer number (15079350).

Almost surely, 2^771376914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 771376914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085713200).

771376914 is an abundant number, since it is smaller than the sum of its proper divisors (1400049486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

771376914 is a wasteful number, since it uses less digits than its factorization.

771376914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 66 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 771376914 is about 27773.6730376088. The cubic root of 771376914 is about 917.1116543336. Note that the first 3 decimals are identical.

The spelling of 771376914 in words is "seven hundred seventy-one million, three hundred seventy-six thousand, nine hundred fourteen".