8013700661761 has 8 divisors (see below), whose sum is σ = 8049854887424. Its totient is φ = 7977548386080.

The previous prime is 8013700661737. The next prime is 8013700661777. The reversal of 8013700661761 is 1671660073108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8013700661761 - 2¹⁹ = 8013700137473 is a prime.

It is a super-2 number, since 2×8013700661761² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8013700061761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8089876 + ... + 9026266.

It is an arithmetic number, because the mean of its divisors is an integer number (1006231860928).

Almost surely, 2^{8013700661761} is an apocalyptic number.

It is an amenable number.

8013700661761 is a deficient number, since it is larger than the sum of its proper divisors (36154225663).

8013700661761 is a wasteful number, since it uses less digits than its factorization.

8013700661761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974991.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 8013700661761 in words is "eight trillion, thirteen billion, seven hundred million, six hundred sixty-one thousand, seven hundred sixty-one".