77276984 has 16 divisors (see below), whose sum is σ = 146641320. Its totient is φ = 38172640.

The previous prime is 77276957. The next prime is 77277001. The reversal of 77276984 is 48967277.

It is a super-2 number, since 2×77276984² = 11943464512272512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57527 + ... + 58854.

Almost surely, 2^77276984 is an apocalyptic number.

It is an amenable number.

77276984 is a deficient number, since it is larger than the sum of its proper divisors (69364336).

77276984 is a wasteful number, since it uses less digits than its factorization.

77276984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116470 (or 116466 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The square root of 77276984 is about 8790.7328477209. The cubic root of 77276984 is about 425.9415967603.

The spelling of 77276984 in words is "seventy-seven million, two hundred seventy-six thousand, nine hundred eighty-four".