76998988989967 has 8 divisors (see below), whose sum is σ = 88419891663360. Its totient is φ = 66314918747160.

The previous prime is 76998988989961. The next prime is 76998988989971.

It is a happy number.

76998988989967 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76998988989967 is a prime.

It is a super-2 number, since 2×76998988989967² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76998988989961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184208107423 + ... + 184208107840.

It is an arithmetic number, because the mean of its divisors is an integer number (11052486457920).

Almost surely, 2^{76998988989967} is an apocalyptic number.

76998988989967 is a deficient number, since it is larger than the sum of its proper divisors (11420902673393).

76998988989967 is a wasteful number, since it uses less digits than its factorization.

76998988989967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368416215293.

The product of its digits is 3839844040704, while the sum is 112.

The spelling of 76998988989967 in words is "seventy-six trillion, nine hundred ninety-eight billion, nine hundred eighty-eight million, nine hundred eighty-nine thousand, nine hundred sixty-seven".