7919796885 has 512 divisors, whose sum is σ = 20065812480. Its totient is φ = 2554675200.

The previous prime is 7919796877. The next prime is 7919796947. The reversal of 7919796885 is 5886979197.

It is not a de Polignac number, because 7919796885 - 2³ = 7919796877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 111546400 + ... + 111546470.

It is an arithmetic number, because the mean of its divisors is an integer number (39191040).

Almost surely, 2^7919796885 is an apocalyptic number.

It is an amenable number.

7919796885 is an abundant number, since it is smaller than the sum of its proper divisors (12146015595).

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

7919796885 is a wasteful number, since it uses less digits than its factorization.

7919796885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169.

The product of its digits is 68584320, while the sum is 69.

The square root of 7919796885 is about 88993.2406702891. The cubic root of 7919796885 is about 1993.2939466391.

The spelling of 7919796885 in words is "seven billion, nine hundred nineteen million, seven hundred ninety-six thousand, eight hundred eighty-five".