67764833997 has 16 divisors (see below), whose sum is σ = 106591690752. Its totient is φ = 37473640560.

The previous prime is 67764833993. The next prime is 67764834001. The reversal of 67764833997 is 79933846776.

It is an interprime number because it is at equal distance from previous prime (67764833993) and next prime (67764834001).

It is not a de Polignac number, because 67764833997 - 2² = 67764833993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67764833993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52046073 + ... + 52047374.

It is an arithmetic number, because the mean of its divisors is an integer number (6661980672).

Almost surely, 2^67764833997 is an apocalyptic number.

It is an amenable number.

67764833997 is a deficient number, since it is larger than the sum of its proper divisors (38826856755).

67764833997 is a wasteful number, since it uses less digits than its factorization.

67764833997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104093488.

The product of its digits is 288054144, while the sum is 69.

The spelling of 67764833997 in words is "sixty-seven billion, seven hundred sixty-four million, eight hundred thirty-three thousand, nine hundred ninety-seven".