86561254570 has 16 divisors (see below), whose sum is σ = 178068866688. Its totient is φ = 29678144400.

The previous prime is 86561254567. The next prime is 86561254573. The reversal of 86561254570 is 7545216568.

It is an interprime number because it is at equal distance from previous prime (86561254567) and next prime (86561254573).

It is not an unprimeable number, because it can be changed into a prime (86561254573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618294606 + ... + 618294745.

It is an arithmetic number, because the mean of its divisors is an integer number (11129304168).

Almost surely, 2^86561254570 is an apocalyptic number.

86561254570 is an abundant number, since it is smaller than the sum of its proper divisors (91507612118).

86561254570 is a wasteful number, since it uses less digits than its factorization.

86561254570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236589365.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 86561254570 in words is "eighty-six billion, five hundred sixty-one million, two hundred fifty-four thousand, five hundred seventy".