85721579300 has 72 divisors (see below), whose sum is σ = 217533535296. Its totient is φ = 28706751360.

The previous prime is 85721579267. The next prime is 85721579327. The reversal of 85721579300 is 397512758.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1393847 + ... + 1454046.

Almost surely, 2^85721579300 is an apocalyptic number.

It is an amenable number.

85721579300 is an abundant number, since it is smaller than the sum of its proper divisors (131811955996).

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

85721579300 is a wasteful number, since it uses less digits than its factorization.

85721579300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847957 (or 2847950 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 85721579300 in words is "eighty-five billion, seven hundred twenty-one million, five hundred seventy-nine thousand, three hundred".