86522970 has 32 divisors (see below), whose sum is σ = 209500992. Its totient is φ = 22867712.

The previous prime is 86522957. The next prime is 86522971. The reversal of 86522970 is 7922568.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86522971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9372 + ... + 16151.

It is an arithmetic number, because the mean of its divisors is an integer number (6546906).

Almost surely, 2^86522970 is an apocalyptic number.

86522970 is an abundant number, since it is smaller than the sum of its proper divisors (122978022).

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

86522970 is a wasteful number, since it uses less digits than its factorization.

86522970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25646.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 86522970 is about 9301.7724117504. The cubic root of 86522970 is about 442.2934143731.

The spelling of 86522970 in words is "eighty-six million, five hundred twenty-two thousand, nine hundred seventy".