776228232 has 128 divisors (see below), whose sum is σ = 2155023360. Its totient is φ = 231517440.

The previous prime is 776228231. The next prime is 776228237. The reversal of 776228232 is 232822677.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (776228231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1483923 + ... + 1484445.

It is an arithmetic number, because the mean of its divisors is an integer number (16836120).

Almost surely, 2^776228232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 776228232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1077511680).

776228232 is an abundant number, since it is smaller than the sum of its proper divisors (1378795128).

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

776228232 is a wasteful number, since it uses less digits than its factorization.

776228232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 679 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 776228232 is about 27860.8727788632. The cubic root of 776228232 is about 919.0302604846.

The spelling of 776228232 in words is "seven hundred seventy-six million, two hundred twenty-eight thousand, two hundred thirty-two".