85347295972 has 24 divisors (see below), whose sum is σ = 150904982592. Its totient is φ = 42232120800.

The previous prime is 85347295963. The next prime is 85347295973. The reversal of 85347295972 is 27959274358.

It is a self number, because there is not a number n which added to its sum of digits gives 85347295972.

It is not an unprimeable number, because it can be changed into a prime (85347295973) by changing a digit.

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, 581322 + ... + 713182.

It is an arithmetic number, because the mean of its divisors is an integer number (6287707608).

Almost surely, 2^85347295972 is an apocalyptic number.

It is an amenable number.

85347295972 is a deficient number, since it is larger than the sum of its proper divisors (65557686620).

85347295972 is a wasteful number, since it uses less digits than its factorization.

85347295972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133539 (or 133537 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 61.

The spelling of 85347295972 in words is "eighty-five billion, three hundred forty-seven million, two hundred ninety-five thousand, nine hundred seventy-two".