776883136 has 112 divisors (see below), whose sum is σ = 1688713920. Its totient is φ = 353239040.

The previous prime is 776883127. The next prime is 776883139. The reversal of 776883136 is 631388677.

It is a self number, because there is not a number n which added to its sum of digits gives 776883136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776883139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6875016 + ... + 6875128.

Almost surely, 2^776883136 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 776883136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844356960).

776883136 is an abundant number, since it is smaller than the sum of its proper divisors (911830784).

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

776883136 is a wasteful number, since it uses less digits than its factorization.

776883136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 292 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 776883136 is about 27872.6234143828. The cubic root of 776883136 is about 919.2886498691.

The spelling of 776883136 in words is "seven hundred seventy-six million, eight hundred eighty-three thousand, one hundred thirty-six".