85191752495 has 8 divisors (see below), whose sum is σ = 102474091440. Its totient is φ = 67990743040.

The previous prime is 85191752491. The next prime is 85191752533. The reversal of 85191752495 is 59425719158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85191752495 - 2² = 85191752491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85191752495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85191752491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20330066 + ... + 20334255.

It is an arithmetic number, because the mean of its divisors is an integer number (12809261430).

Almost surely, 2^85191752495 is an apocalyptic number.

85191752495 is a deficient number, since it is larger than the sum of its proper divisors (17282338945).

85191752495 is a wasteful number, since it uses less digits than its factorization.

85191752495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40664745.

The product of its digits is 4536000, while the sum is 56.

The spelling of 85191752495 in words is "eighty-five billion, one hundred ninety-one million, seven hundred fifty-two thousand, four hundred ninety-five".