67920134799 has 32 divisors (see below), whose sum is σ = 104685799680. Its totient is φ = 38712128000.

The previous prime is 67920134771. The next prime is 67920134801. The reversal of 67920134799 is 99743102976.

67920134799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67920134799 - 2⁹ = 67920134287 is a prime.

It is a super-2 number, since 2×67920134799² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67920134749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683332 + ... + 776390.

It is an arithmetic number, because the mean of its divisors is an integer number (3271431240).

Almost surely, 2^67920134799 is an apocalyptic number.

67920134799 is a deficient number, since it is larger than the sum of its proper divisors (36765664881).

67920134799 is a wasteful number, since it uses less digits than its factorization.

67920134799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94391.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 67920134799 in words is "sixty-seven billion, nine hundred twenty million, one hundred thirty-four thousand, seven hundred ninety-nine".