77276616 has 16 divisors (see below), whose sum is σ = 193191600. Its totient is φ = 25758864.

The previous prime is 77276593. The next prime is 77276623. The reversal of 77276616 is 61667277.

It is a super-2 number, since 2×77276616² = 11943350760822912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609906 + ... + 1609953.

It is an arithmetic number, because the mean of its divisors is an integer number (12074475).

Almost surely, 2^77276616 is an apocalyptic number.

It is an amenable number.

77276616 is an abundant number, since it is smaller than the sum of its proper divisors (115914984).

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

77276616 is a wasteful number, since it uses less digits than its factorization.

77276616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219868 (or 3219864 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 77276616 is about 8790.7119165628. The cubic root of 77276616 is about 425.9409206351.

The spelling of 77276616 in words is "seventy-seven million, two hundred seventy-six thousand, six hundred sixteen".