86642800245 has 24 divisors (see below), whose sum is σ = 153376194816. Its totient is φ = 45226311648.

The previous prime is 86642800217. The next prime is 86642800273. The reversal of 86642800245 is 54200824668.

It is an interprime number because it is at equal distance from previous prime (86642800217) and next prime (86642800273).

It is not a de Polignac number, because 86642800245 - 2⁵ = 86642800213 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86642800245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20480817 + ... + 20485046.

It is an arithmetic number, because the mean of its divisors is an integer number (6390674784).

Almost surely, 2^86642800245 is an apocalyptic number.

It is an amenable number.

86642800245 is a deficient number, since it is larger than the sum of its proper divisors (66733394571).

86642800245 is a wasteful number, since it uses less digits than its factorization.

86642800245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40965921 (or 40965918 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 86642800245 in words is "eighty-six billion, six hundred forty-two million, eight hundred thousand, two hundred forty-five".