77623076994 has 8 divisors (see below), whose sum is σ = 155246154000. Its totient is φ = 25874358996.

The previous prime is 77623076969. The next prime is 77623077019. The reversal of 77623076994 is 49967032677.

It is an interprime number because it is at equal distance from previous prime (77623076969) and next prime (77623077019).

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

77623076994 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6468589744 + ... + 6468589755.

It is an arithmetic number, because the mean of its divisors is an integer number (19405769250).

Almost surely, 2^77623076994 is an apocalyptic number.

77623076994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77623076994 is a wasteful number, since it uses less digits than its factorization.

77623076994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12937179504.

The product of its (nonzero) digits is 24004512, while the sum is 60.

The spelling of 77623076994 in words is "seventy-seven billion, six hundred twenty-three million, seventy-six thousand, nine hundred ninety-four".