86231551725 has 48 divisors (see below), whose sum is σ = 172811528640. Its totient is φ = 41809233600.

The previous prime is 86231551697. The next prime is 86231551741. The reversal of 86231551725 is 52715513268.

86231551725 is a `hidden beast` number, since 8 + 6 + 23 + 1 + 551 + 72 + 5 = 666.

It is not a de Polignac number, because 86231551725 - 2¹⁵ = 86231518957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5799414 + ... + 5814263.

It is an arithmetic number, because the mean of its divisors is an integer number (3600240180).

Almost surely, 2^86231551725 is an apocalyptic number.

It is an amenable number.

86231551725 is an abundant number, since it is smaller than the sum of its proper divisors (86579976915).

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

86231551725 is a wasteful number, since it uses less digits than its factorization.

86231551725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11613707 (or 11613696 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The spelling of 86231551725 in words is "eighty-six billion, two hundred thirty-one million, five hundred fifty-one thousand, seven hundred twenty-five".