65675017870 has 64 divisors (see below), whose sum is σ = 147423048192. Its totient is φ = 20464848000.

The previous prime is 65675017847. The next prime is 65675017879. The reversal of 65675017870 is 7871057656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65675017879) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3849960 + ... + 3866980.

It is an arithmetic number, because the mean of its divisors is an integer number (2303485128).

Almost surely, 2^65675017870 is an apocalyptic number.

65675017870 is an abundant number, since it is smaller than the sum of its proper divisors (81748030322).

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

65675017870 is a wasteful number, since it uses less digits than its factorization.

65675017870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22057.

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 65675017870 in words is "sixty-five billion, six hundred seventy-five million, seventeen thousand, eight hundred seventy".