77085038 has 16 divisors (see below), whose sum is σ = 123055200. Its totient is φ = 36089856.

The previous prime is 77085013. The next prime is 77085053. The reversal of 77085038 is 83058077.

It is a super-2 number, since 2×77085038² = 11884206166922888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77084992 and 77085010.

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 7 ways as a sum of consecutive naturals, for example, 1070 + ... + 12462.

It is an arithmetic number, because the mean of its divisors is an integer number (7690950).

Almost surely, 2^77085038 is an apocalyptic number.

77085038 is a deficient number, since it is larger than the sum of its proper divisors (45970162).

77085038 is a wasteful number, since it uses less digits than its factorization.

77085038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11611.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 77085038 is about 8779.8085400537. The cubic root of 77085038 is about 425.5886431512.

The spelling of 77085038 in words is "seventy-seven million, eighty-five thousand, thirty-eight".