86597870 has 16 divisors (see below), whose sum is σ = 156174048. Its totient is φ = 34572960.

The previous prime is 86597869. The next prime is 86597887. The reversal of 86597870 is 7879568.

It is a happy number.

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, 2594 + ... + 13413.

It is an arithmetic number, because the mean of its divisors is an integer number (9760878).

Almost surely, 2^86597870 is an apocalyptic number.

86597870 is a deficient number, since it is larger than the sum of its proper divisors (69576178).

86597870 is a wasteful number, since it uses less digits than its factorization.

86597870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16555.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 86597870 is about 9305.7976552255. The cubic root of 86597870 is about 442.4210036985.

The spelling of 86597870 in words is "eighty-six million, five hundred ninety-seven thousand, eight hundred seventy".