7904871793761 has 4 divisors (see below), whose sum is σ = 10539829058352. Its totient is φ = 5269914529172.

The previous prime is 7904871793751. The next prime is 7904871793877. The reversal of 7904871793761 is 1673971784097.

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 not a de Polignac number, because 7904871793761 - 2¹⁸ = 7904871531617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7904871793751) 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, 1317478632291 + ... + 1317478632296.

It is an arithmetic number, because the mean of its divisors is an integer number (2634957264588).

Almost surely, 2^{7904871793761} is an apocalyptic number.

It is an amenable number.

7904871793761 is a deficient number, since it is larger than the sum of its proper divisors (2634957264591).

7904871793761 is a wasteful number, since it uses less digits than its factorization.

7904871793761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634957264590.

The product of its (nonzero) digits is 112021056, while the sum is 69.

The spelling of 7904871793761 in words is "seven trillion, nine hundred four billion, eight hundred seventy-one million, seven hundred ninety-three thousand, seven hundred sixty-one".