77325986 has 8 divisors (see below), whose sum is σ = 116102700. Its totient is φ = 38625088.

The previous prime is 77325929. The next prime is 77326001. The reversal of 77325986 is 68952377.

It can be written as a sum of positive squares in 2 ways, for example, as 70980625 + 6345361 = 8425^2 + 2519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×77325986² = 11958616221744392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77325986.

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, 16331 + ... + 20526.

Almost surely, 2^77325986 is an apocalyptic number.

77325986 is a deficient number, since it is larger than the sum of its proper divisors (38776714).

77325986 is a wasteful number, since it uses less digits than its factorization.

77325986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37908.

The product of its digits is 635040, while the sum is 47.

The square root of 77325986 is about 8793.5195456654. The cubic root of 77325986 is about 426.0316088135.

The spelling of 77325986 in words is "seventy-seven million, three hundred twenty-five thousand, nine hundred eighty-six".