85247137212546 has 16 divisors (see below), whose sum is σ = 170555100100704. Its totient is φ = 28405574791584.

The previous prime is 85247137212493. The next prime is 85247137212557. The reversal of 85247137212546 is 64521273174258.

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, 2534384931 + ... + 2534418566.

It is an arithmetic number, because the mean of its divisors is an integer number (10659693756294).

Almost surely, 2^{85247137212546} is an apocalyptic number.

85247137212546 is an abundant number, since it is smaller than the sum of its proper divisors (85307962888158).

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

85247137212546 is a wasteful number, since it uses less digits than its factorization.

85247137212546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068806305.

The product of its digits is 22579200, while the sum is 57.

The spelling of 85247137212546 in words is "eighty-five trillion, two hundred forty-seven billion, one hundred thirty-seven million, two hundred twelve thousand, five hundred forty-six".