86001572 has 24 divisors (see below), whose sum is σ = 160205976. Its totient is φ = 40255488.

The previous prime is 86001557. The next prime is 86001583. The reversal of 86001572 is 27510068.

It can be written as a sum of positive squares in 4 ways, for example, as 8667136 + 77334436 = 2944^2 + 8794^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9848 + ... + 16400.

It is an arithmetic number, because the mean of its divisors is an integer number (6675249).

Almost surely, 2^86001572 is an apocalyptic number.

It is an amenable number.

86001572 is a deficient number, since it is larger than the sum of its proper divisors (74204404).

86001572 is a wasteful number, since it uses less digits than its factorization.

86001572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767 (or 6765 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 86001572 is about 9273.7032516681. The cubic root of 86001572 is about 441.4031856913.

The spelling of 86001572 in words is "eighty-six million, one thousand, five hundred seventy-two".