69900079711 has 48 divisors (see below), whose sum is σ = 92423918592. Its totient is φ = 52216617600.

The previous prime is 69900079709. The next prime is 69900079721. The reversal of 69900079711 is 11797000996.

It is a happy number.

It is not a de Polignac number, because 69900079711 - 2¹ = 69900079709 is a prime.

It is a super-2 number, since 2×69900079711² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69900079721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1768315 + ... + 1807411.

It is an arithmetic number, because the mean of its divisors is an integer number (1925498304).

Almost surely, 2^69900079711 is an apocalyptic number.

69900079711 is a deficient number, since it is larger than the sum of its proper divisors (22523838881).

69900079711 is a wasteful number, since it uses less digits than its factorization.

69900079711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39260 (or 39253 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 49.

The spelling of 69900079711 in words is "sixty-nine billion, nine hundred million, seventy-nine thousand, seven hundred eleven".