86874856475 has 144 divisors (see below), whose sum is σ = 131094207648. Its totient is φ = 56424960000.

The previous prime is 86874856459. The next prime is 86874856501. The reversal of 86874856475 is 57465847868.

It is not a de Polignac number, because 86874856475 - 2⁴ = 86874856459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 274053017 + ... + 274053333.

It is an arithmetic number, because the mean of its divisors is an integer number (910376442).

Almost surely, 2^86874856475 is an apocalyptic number.

86874856475 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

86874856475 is a deficient number, since it is larger than the sum of its proper divisors (44219351173).

86874856475 is a wasteful number, since it uses less digits than its factorization.

86874856475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 442 counting only the distinct ones).

The product of its digits is 361267200, while the sum is 68.

It can be divided in two parts, 86874 and 856475, that added together give a palindrome (943349).

The spelling of 86874856475 in words is "eighty-six billion, eight hundred seventy-four million, eight hundred fifty-six thousand, four hundred seventy-five".