776628044 has 12 divisors (see below), whose sum is σ = 1359801744. Its totient is φ = 388113264.

The previous prime is 776628019. The next prime is 776628049. The reversal of 776628044 is 440826677.

776628044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×776628044² = 1206302237454531872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 776627986 and 776628004.

It is not an unprimeable number, because it can be changed into a prime (776628049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41312 + ... + 57095.

It is an arithmetic number, because the mean of its divisors is an integer number (113316812).

Almost surely, 2^776628044 is an apocalyptic number.

It is an amenable number.

776628044 is a deficient number, since it is larger than the sum of its proper divisors (583173700).

776628044 is a wasteful number, since it uses less digits than its factorization.

776628044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100384 (or 100382 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 776628044 is about 27868.0470072806. The cubic root of 776628044 is about 919.1880217562.

The spelling of 776628044 in words is "seven hundred seventy-six million, six hundred twenty-eight thousand, forty-four".