85424531960 has 32 divisors (see below), whose sum is σ = 192328624800. Its totient is φ = 34147870080.

The previous prime is 85424531947. The next prime is 85424531963. The reversal of 85424531960 is 6913542458.

It is a super-2 number, since 2×85424531960² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85424531963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622571 + ... + 747290.

It is an arithmetic number, because the mean of its divisors is an integer number (6010269525).

Almost surely, 2^85424531960 is an apocalyptic number.

It is an amenable number.

85424531960 is an abundant number, since it is smaller than the sum of its proper divisors (106904092840).

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

85424531960 is a wasteful number, since it uses less digits than its factorization.

85424531960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371431 (or 1371427 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 85424531960 in words is "eighty-five billion, four hundred twenty-four million, five hundred thirty-one thousand, nine hundred sixty".