3256717077972 has 48 divisors (see below), whose sum is σ = 8715706406400. Its totient is φ = 1050553895040.

The previous prime is 3256717077883. The next prime is 3256717077979. The reversal of 3256717077972 is 2797707176523.

3256717077972 is a `hidden beast` number, since 325 + 6 + 7 + 170 + 7 + 79 + 72 = 666.

It is a super-2 number, since 2×3256717077972² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256717077979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486364197 + ... + 486370892.

It is an arithmetic number, because the mean of its divisors is an integer number (181577216800).

Almost surely, 2^{3256717077972} is an apocalyptic number.

It is an amenable number.

3256717077972 is an abundant number, since it is smaller than the sum of its proper divisors (5458989328428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3256717077972 is a wasteful number, since it uses less digits than its factorization.

3256717077972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972735133 (or 972735125 counting only the distinct ones).

The product of its (nonzero) digits is 54454680, while the sum is 63.

The spelling of 3256717077972 in words is "three trillion, two hundred fifty-six billion, seven hundred seventeen million, seventy-seven thousand, nine hundred seventy-two".