86518441725 has 48 divisors (see below), whose sum is σ = 148321173504. Its totient is φ = 44454168000.

The previous prime is 86518441703. The next prime is 86518441733. The reversal of 86518441725 is 52714481568.

It is a happy number.

It is not a de Polignac number, because 86518441725 - 2⁵ = 86518441693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 435040 + ... + 601910.

It is an arithmetic number, because the mean of its divisors is an integer number (3090024448).

Almost surely, 2^86518441725 is an apocalyptic number.

It is an amenable number.

86518441725 is a deficient number, since it is larger than the sum of its proper divisors (61802731779).

86518441725 is a wasteful number, since it uses less digits than its factorization.

86518441725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167138 (or 167133 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 51.

The spelling of 86518441725 in words is "eighty-six billion, five hundred eighteen million, four hundred forty-one thousand, seven hundred twenty-five".