79877955267 has 24 divisors (see below), whose sum is σ = 133272313200. Its totient is φ = 45563182080.

The previous prime is 79877955259. The next prime is 79877955277. The reversal of 79877955267 is 76255977897.

79877955267 is a `hidden beast` number, since 7 + 9 + 8 + 7 + 7 + 9 + 552 + 67 = 666.

It is not a de Polignac number, because 79877955267 - 2³ = 79877955259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79877955195 and 79877955204.

It is not an unprimeable number, because it can be changed into a prime (79877955247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23729142 + ... + 23732507.

It is an arithmetic number, because the mean of its divisors is an integer number (5553013050).

Almost surely, 2^79877955267 is an apocalyptic number.

79877955267 is a deficient number, since it is larger than the sum of its proper divisors (53394357933).

79877955267 is a wasteful number, since it uses less digits than its factorization.

79877955267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47461683 (or 47461680 counting only the distinct ones).

The product of its digits is 466754400, while the sum is 72.

The spelling of 79877955267 in words is "seventy-nine billion, eight hundred seventy-seven million, nine hundred fifty-five thousand, two hundred sixty-seven".