85724515704 has 64 divisors (see below), whose sum is σ = 227237644800. Its totient is φ = 26873282304.

The previous prime is 85724515703. The next prime is 85724515717. The reversal of 85724515704 is 40751542758.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85724515703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623632 + ... + 748575.

It is an arithmetic number, because the mean of its divisors is an integer number (3550588200).

Almost surely, 2^85724515704 is an apocalyptic number.

It is an amenable number.

85724515704 is an abundant number, since it is smaller than the sum of its proper divisors (141513129096).

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

85724515704 is a wasteful number, since it uses less digits than its factorization.

85724515704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372372 (or 1372368 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 48.

The spelling of 85724515704 in words is "eighty-five billion, seven hundred twenty-four million, five hundred fifteen thousand, seven hundred four".