77860007823 has 16 divisors (see below), whose sum is σ = 113467630976. Its totient is φ = 47198717280.

The previous prime is 77860007779. The next prime is 77860007839. The reversal of 77860007823 is 32870006877.

It is not a de Polignac number, because 77860007823 - 2⁸ = 77860007567 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 (77860007843) 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, 14895973 + ... + 14901198.

It is an arithmetic number, because the mean of its divisors is an integer number (7091726936).

Almost surely, 2^77860007823 is an apocalyptic number.

77860007823 is a deficient number, since it is larger than the sum of its proper divisors (35607623153).

77860007823 is a wasteful number, since it uses less digits than its factorization.

77860007823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29797254.

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 77860007823 in words is "seventy-seven billion, eight hundred sixty million, seven thousand, eight hundred twenty-three".