85103731395 has 24 divisors (see below), whose sum is σ = 147520338576. Its totient is φ = 45386440128.

The previous prime is 85103731387. The next prime is 85103731397. The reversal of 85103731395 is 59313730158.

85103731395 is a `hidden beast` number, since 8 + 510 + 37 + 3 + 13 + 95 = 666.

It is not a de Polignac number, because 85103731395 - 2³ = 85103731387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85103731395.

It is not an unprimeable number, because it can be changed into a prime (85103731397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1348077 + ... + 1409793.

It is an arithmetic number, because the mean of its divisors is an integer number (6146680774).

Almost surely, 2^85103731395 is an apocalyptic number.

85103731395 is a deficient number, since it is larger than the sum of its proper divisors (62416607181).

85103731395 is a wasteful number, since it uses less digits than its factorization.

85103731395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92371 (or 92368 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 85103731395 in words is "eighty-five billion, one hundred three million, seven hundred thirty-one thousand, three hundred ninety-five".