85424074532 has 24 divisors (see below), whose sum is σ = 150660498912. Its totient is φ = 42378336000.

The previous prime is 85424074513. The next prime is 85424074661. The reversal of 85424074532 is 23547042458.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3862907 + ... + 3884957.

It is an arithmetic number, because the mean of its divisors is an integer number (6277520788).

Almost surely, 2^85424074532 is an apocalyptic number.

It is an amenable number.

85424074532 is a deficient number, since it is larger than the sum of its proper divisors (65236424380).

85424074532 is a wasteful number, since it uses less digits than its factorization.

85424074532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29579 (or 29577 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 44.

The spelling of 85424074532 in words is "eighty-five billion, four hundred twenty-four million, seventy-four thousand, five hundred thirty-two".