86174997 has 16 divisors (see below), whose sum is σ = 120127488. Its totient is φ = 54846000.

The previous prime is 86174993. The next prime is 86175029. The reversal of 86174997 is 79947168.

It is not a de Polignac number, because 86174997 - 2² = 86174993 is a prime.

It is a super-2 number, since 2×86174997² = 14852260215900018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86174993) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50988 + ... + 52650.

It is an arithmetic number, because the mean of its divisors is an integer number (7507968).

Almost surely, 2^86174997 is an apocalyptic number.

It is an amenable number.

86174997 is a deficient number, since it is larger than the sum of its proper divisors (33952491).

86174997 is a wasteful number, since it uses less digits than its factorization.

86174997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its digits is 762048, while the sum is 51.

The square root of 86174997 is about 9283.0489064746. The cubic root of 86174997 is about 441.6996878282.

The spelling of 86174997 in words is "eighty-six million, one hundred seventy-four thousand, nine hundred ninety-seven".