3298172725887 has 96 divisors (see below), whose sum is σ = 5111636834304. Its totient is φ = 1876809876480.

The previous prime is 3298172725849. The next prime is 3298172725889. The reversal of 3298172725887 is 7885272718923.

It is not a de Polignac number, because 3298172725887 - 2¹⁵ = 3298172693119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3298172725889) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1364571703 + ... + 1364574119.

It is an arithmetic number, because the mean of its divisors is an integer number (53246217024).

Almost surely, 2^{3298172725887} is an apocalyptic number.

3298172725887 is a deficient number, since it is larger than the sum of its proper divisors (1813464108417).

3298172725887 is a wasteful number, since it uses less digits than its factorization.

3298172725887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101 (or 4070 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 69.

The spelling of 3298172725887 in words is "three trillion, two hundred ninety-eight billion, one hundred seventy-two million, seven hundred twenty-five thousand, eight hundred eighty-seven".