85490158722 has 96 divisors (see below), whose sum is σ = 192983834880. Its totient is φ = 25170336000.

The previous prime is 85490158687. The next prime is 85490158777. The reversal of 85490158722 is 22785109458.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3513097 + ... + 3537347.

It is an arithmetic number, because the mean of its divisors is an integer number (2010248280).

Almost surely, 2^85490158722 is an apocalyptic number.

85490158722 is an abundant number, since it is smaller than the sum of its proper divisors (107493676158).

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

85490158722 is a wasteful number, since it uses less digits than its factorization.

85490158722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24416 (or 24399 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 85490158722 in words is "eighty-five billion, four hundred ninety million, one hundred fifty-eight thousand, seven hundred twenty-two".