85087402506 has 32 divisors (see below), whose sum is σ = 189125066880. Its totient is φ = 28356175008.

The previous prime is 85087402501. The next prime is 85087402537. The reversal of 85087402506 is 60520478058.

It is not an unprimeable number, because it can be changed into a prime (85087402501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74110 + ... + 419126.

It is an arithmetic number, because the mean of its divisors is an integer number (5910158340).

Almost surely, 2^85087402506 is an apocalyptic number.

85087402506 is an abundant number, since it is smaller than the sum of its proper divisors (104037664374).

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

85087402506 is a wasteful number, since it uses less digits than its factorization.

85087402506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349595 (or 349589 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 85087402506 in words is "eighty-five billion, eighty-seven million, four hundred two thousand, five hundred six".