7497977470568 has 64 divisors (see below), whose sum is σ = 15474013632000. Its totient is φ = 3384404347392.

The previous prime is 7497977470549. The next prime is 7497977470637. The reversal of 7497977470568 is 8650747797947.

It is a super-2 number, since 2×7497977470568² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7497977470492 and 7497977470501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5865788 + ... + 7028756.

It is an arithmetic number, because the mean of its divisors is an integer number (241781463000).

Almost surely, 2^{7497977470568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7497977470568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7737006816000).

7497977470568 is an abundant number, since it is smaller than the sum of its proper divisors (7976036161432).

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

7497977470568 is a wasteful number, since it uses less digits than its factorization.

7497977470568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164354 (or 1164350 counting only the distinct ones).

The product of its (nonzero) digits is 5227649280, while the sum is 80.

The spelling of 7497977470568 in words is "seven trillion, four hundred ninety-seven billion, nine hundred seventy-seven million, four hundred seventy thousand, five hundred sixty-eight".