76999967 has 4 divisors (see below), whose sum is σ = 83999976. Its totient is φ = 69999960.

The previous prime is 76999963. The next prime is 76999981.

76999967 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76999967 - 2² = 76999963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76999961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3499988 + ... + 3500009.

It is an arithmetic number, because the mean of its divisors is an integer number (20999994).

Almost surely, 2^76999967 is an apocalyptic number.

76999967 is a deficient number, since it is larger than the sum of its proper divisors (7000009).

76999967 is a wasteful number, since it uses less digits than its factorization.

76999967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000008.

The product of its digits is 11573604, while the sum is 62.

The square root of 76999967 is about 8774.9625070424. The cubic root of 76999967 is about 425.4320257355.

The spelling of 76999967 in words is "seventy-six million, nine hundred ninety-nine thousand, nine hundred sixty-seven".