77327956 has 12 divisors (see below), whose sum is σ = 135546880. Its totient is φ = 38600280.

The previous prime is 77327947. The next prime is 77327963. The reversal of 77327956 is 65972377.

It is a happy number.

It is a super-2 number, since 2×77327956² = 11959225558275872, which contains 22 as substring.

It is a congruent number.

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, 13140 + ... + 18091.

Almost surely, 2^77327956 is an apocalyptic number.

It is an amenable number.

77327956 is a deficient number, since it is larger than the sum of its proper divisors (58218924).

77327956 is a wasteful number, since it uses less digits than its factorization.

77327956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31854 (or 31852 counting only the distinct ones).

The product of its digits is 555660, while the sum is 46.

The square root of 77327956 is about 8793.6315592592. The cubic root of 77327956 is about 426.0352267225.

The spelling of 77327956 in words is "seventy-seven million, three hundred twenty-seven thousand, nine hundred fifty-six".