85947712704 has 84 divisors (see below), whose sum is σ = 281546984784. Its totient is φ = 24556488192.

The previous prime is 85947712673. The next prime is 85947712709. The reversal of 85947712704 is 40721774958.

It is a tau number, because it is divible by the number of its divisors (84).

It is not an unprimeable number, because it can be changed into a prime (85947712709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10654167 + ... + 10662230.

Almost surely, 2^85947712704 is an apocalyptic number.

85947712704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

85947712704 is an abundant number, since it is smaller than the sum of its proper divisors (195599272080).

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

85947712704 is a wasteful number, since it uses less digits than its factorization.

85947712704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21316422 (or 21316409 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 85947712704 in words is "eighty-five billion, nine hundred forty-seven million, seven hundred twelve thousand, seven hundred four".