8700613947497 has 4 divisors (see below), whose sum is σ = 9212414767956. Its totient is φ = 8188813127040.

The previous prime is 8700613947427. The next prime is 8700613947523. The reversal of 8700613947497 is 7947493160078.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4268835325456 + 4431778622041 = 2066116^2 + 2105179^2 .

It is a cyclic number.

It is not a de Polignac number, because 8700613947497 - 2²² = 8700609753193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8700613947427) 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, 255900410204 + ... + 255900410237.

It is an arithmetic number, because the mean of its divisors is an integer number (2303103691989).

Almost surely, 2^{8700613947497} is an apocalyptic number.

It is an amenable number.

8700613947497 is a deficient number, since it is larger than the sum of its proper divisors (511800820459).

8700613947497 is a wasteful number, since it uses less digits than its factorization.

8700613947497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511800820458.

The product of its (nonzero) digits is 64012032, while the sum is 65.

The spelling of 8700613947497 in words is "eight trillion, seven hundred billion, six hundred thirteen million, nine hundred forty-seven thousand, four hundred ninety-seven".