776869376 has 80 divisors (see below), whose sum is σ = 1595241648. Its totient is φ = 377856000.

The previous prime is 776869369. The next prime is 776869391. The reversal of 776869376 is 673968677.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4292006 + ... + 4292186.

Almost surely, 2^776869376 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 776869376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797620824).

776869376 is an abundant number, since it is smaller than the sum of its proper divisors (818372272).

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

776869376 is a wasteful number, since it uses less digits than its factorization.

776869376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 367 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 59.

The square root of 776869376 is about 27872.3765761013. The cubic root of 776869376 is about 919.2832224176.

The spelling of 776869376 in words is "seven hundred seventy-six million, eight hundred sixty-nine thousand, three hundred seventy-six".