77007123813 has 8 divisors (see below), whose sum is σ = 102677637376. Its totient is φ = 51337346400.

The previous prime is 77007123803. The next prime is 77007123847. The reversal of 77007123813 is 31832170077.

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

It is not a de Polignac number, because 77007123813 - 2⁴ = 77007123797 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 (77007123803) 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, 143148 + ... + 417738.

It is an arithmetic number, because the mean of its divisors is an integer number (12834704672).

Almost surely, 2^77007123813 is an apocalyptic number.

It is an amenable number.

77007123813 is a deficient number, since it is larger than the sum of its proper divisors (25670513563).

77007123813 is a wasteful number, since it uses less digits than its factorization.

77007123813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368075.

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 77007123813 in words is "seventy-seven billion, seven million, one hundred twenty-three thousand, eight hundred thirteen".