67938099632767 has 96 divisors (see below), whose sum is σ = 88193061519360. Its totient is φ = 51180385351680.

The previous prime is 67938099632737. The next prime is 67938099632773. The reversal of 67938099632767 is 76723699083976.

It is a de Polignac number, because none of the positive numbers 2^k-67938099632767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67938099632737) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1094914738 + ... + 1094976784.

It is an arithmetic number, because the mean of its divisors is an integer number (918677724160).

Almost surely, 2^{67938099632767} is an apocalyptic number.

67938099632767 is a deficient number, since it is larger than the sum of its proper divisors (20254961886593).

67938099632767 is a wasteful number, since it uses less digits than its factorization.

67938099632767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62593 (or 62580 counting only the distinct ones).

The product of its (nonzero) digits is 7777461888, while the sum is 82.

The spelling of 67938099632767 in words is "sixty-seven trillion, nine hundred thirty-eight billion, ninety-nine million, six hundred thirty-two thousand, seven hundred sixty-seven".