85197792441 has 64 divisors (see below), whose sum is σ = 122572800000. Its totient is φ = 52482427200.

The previous prime is 85197792437. The next prime is 85197792461. The reversal of 85197792441 is 14429779158.

It is not a de Polignac number, because 85197792441 - 2² = 85197792437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (85197792461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170736810 + ... + 170737308.

It is an arithmetic number, because the mean of its divisors is an integer number (1915200000).

Almost surely, 2^85197792441 is an apocalyptic number.

It is an amenable number.

85197792441 is a deficient number, since it is larger than the sum of its proper divisors (37375007559).

85197792441 is a wasteful number, since it uses less digits than its factorization.

85197792441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994.

The product of its digits is 5080320, while the sum is 57.

The spelling of 85197792441 in words is "eighty-five billion, one hundred ninety-seven million, seven hundred ninety-two thousand, four hundred forty-one".