76776876 has 48 divisors (see below), whose sum is σ = 217150080. Its totient is φ = 23265360.

The previous prime is 76776871. The next prime is 76776883. The reversal of 76776876 is 67867767.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (76776871) 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, 31126 + ... + 33501.

It is an arithmetic number, because the mean of its divisors is an integer number (4523960).

Almost surely, 2^76776876 is an apocalyptic number.

It is an amenable number.

76776876 is an abundant number, since it is smaller than the sum of its proper divisors (140373204).

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

76776876 is a wasteful number, since it uses less digits than its factorization.

76776876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64651 (or 64643 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 54.

The square root of 76776876 is about 8762.2414940471. The cubic root of 76776876 is about 425.0207620768.

The spelling of 76776876 in words is "seventy-six million, seven hundred seventy-six thousand, eight hundred seventy-six".