80858779423767 has 12 divisors (see below), whose sum is σ = 118108329496560. Its totient is φ = 53300169207648.

The previous prime is 80858779423739. The next prime is 80858779423769. The reversal of 80858779423767 is 76732497785808.

80858779423767 is a `hidden beast` number, since 8 + 0 + 8 + 58 + 7 + 79 + 423 + 76 + 7 = 666.

It is not a de Polignac number, because 80858779423767 - 2⁸ = 80858779423511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80858779423769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50473644283 + ... + 50473645884.

It is an arithmetic number, because the mean of its divisors is an integer number (9842360791380).

Almost surely, 2^{80858779423767} is an apocalyptic number.

80858779423767 is a deficient number, since it is larger than the sum of its proper divisors (37249550072793).

80858779423767 is a wasteful number, since it uses less digits than its factorization.

80858779423767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100947290262 (or 100947290259 counting only the distinct ones).

The product of its (nonzero) digits is 7965941760, while the sum is 81.

The spelling of 80858779423767 in words is "eighty trillion, eight hundred fifty-eight billion, seven hundred seventy-nine million, four hundred twenty-three thousand, seven hundred sixty-seven".