85425941790 has 64 divisors (see below), whose sum is σ = 260345733120. Its totient is φ = 19525929120.

The previous prime is 85425941773. The next prime is 85425941791. The reversal of 85425941790 is 9714952458.

It is a happy number.

85425941790 is a `hidden beast` number, since 8 + 5 + 42 + 594 + 1 + 7 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85425941791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22597566 + ... + 22601345.

It is an arithmetic number, because the mean of its divisors is an integer number (4067902080).

Almost surely, 2^85425941790 is an apocalyptic number.

85425941790 is an abundant number, since it is smaller than the sum of its proper divisors (174919791330).

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

85425941790 is a wasteful number, since it uses less digits than its factorization.

85425941790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45198934 (or 45198928 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 85425941790 in words is "eighty-five billion, four hundred twenty-five million, nine hundred forty-one thousand, seven hundred ninety".