86770970 has 32 divisors (see below), whose sum is σ = 183496320. Its totient is φ = 29125440.

The previous prime is 86770961. The next prime is 86770997. The reversal of 86770970 is 7907768.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28910 + ... + 31769.

It is an arithmetic number, because the mean of its divisors is an integer number (5734260).

Almost surely, 2^86770970 is an apocalyptic number.

86770970 is an abundant number, since it is smaller than the sum of its proper divisors (96725350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86770970 is a wasteful number, since it uses less digits than its factorization.

86770970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60710.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 86770970 is about 9315.0936656590. The cubic root of 86770970 is about 442.7155917955.

The spelling of 86770970 in words is "eighty-six million, seven hundred seventy thousand, nine hundred seventy".