85430132590 has 16 divisors (see below), whose sum is σ = 167753715120. Its totient is φ = 31065502720.

The previous prime is 85430132569. The next prime is 85430132617. The reversal of 85430132590 is 9523103458.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388318675 + ... + 388318894.

It is an arithmetic number, because the mean of its divisors is an integer number (10484607195).

Almost surely, 2^85430132590 is an apocalyptic number.

85430132590 is a deficient number, since it is larger than the sum of its proper divisors (82323582530).

85430132590 is a wasteful number, since it uses less digits than its factorization.

85430132590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776637587.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 85430132590 in words is "eighty-five billion, four hundred thirty million, one hundred thirty-two thousand, five hundred ninety".