64870675100 has 72 divisors (see below), whose sum is σ = 175504683648. Its totient is φ = 20219428800.

The previous prime is 64870675097. The next prime is 64870675127. The reversal of 64870675100 is 157607846.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 4204682 + ... + 4220081.

Almost surely, 2^64870675100 is an apocalyptic number.

It is an amenable number.

64870675100 is an abundant number, since it is smaller than the sum of its proper divisors (110634008548).

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

64870675100 is a wasteful number, since it uses less digits than its factorization.

64870675100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8424795 (or 8424788 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 64870675100 in words is "sixty-four billion, eight hundred seventy million, six hundred seventy-five thousand, one hundred".