7940770023317 has 4 divisors (see below), whose sum is σ = 8286020893920. Its totient is φ = 7595519152716.

The previous prime is 7940770023259. The next prime is 7940770023331. The reversal of 7940770023317 is 7133200770497.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7940770023317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940770023337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172625435267 + ... + 172625435312.

It is an arithmetic number, because the mean of its divisors is an integer number (2071505223480).

Almost surely, 2^{7940770023317} is an apocalyptic number.

It is an amenable number.

7940770023317 is a deficient number, since it is larger than the sum of its proper divisors (345250870603).

7940770023317 is a wasteful number, since it uses less digits than its factorization.

7940770023317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345250870602.

The product of its (nonzero) digits is 1555848, while the sum is 50.

The spelling of 7940770023317 in words is "seven trillion, nine hundred forty billion, seven hundred seventy million, twenty-three thousand, three hundred seventeen".