6985580717874 has 64 divisors (see below), whose sum is σ = 16095026488320. Its totient is φ = 1998981432000.

The previous prime is 6985580717839. The next prime is 6985580717879. The reversal of 6985580717874 is 4787170855896.

It is a junction number, because it is equal to n+sod(n) for n = 6985580717796 and 6985580717805.

It is not an unprimeable number, because it can be changed into a prime (6985580717879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8566017 + ... + 9346004.

It is an arithmetic number, because the mean of its divisors is an integer number (251484788880).

Almost surely, 2^{6985580717874} is an apocalyptic number.

6985580717874 is an abundant number, since it is smaller than the sum of its proper divisors (9109445770446).

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

6985580717874 is a wasteful number, since it uses less digits than its factorization.

6985580717874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17912367.

The product of its (nonzero) digits is 948326400, while the sum is 75.

The spelling of 6985580717874 in words is "six trillion, nine hundred eighty-five billion, five hundred eighty million, seven hundred seventeen thousand, eight hundred seventy-four".