77342504793 has 16 divisors (see below), whose sum is σ = 108625401600. Its totient is φ = 48814364880.

The previous prime is 77342504773. The next prime is 77342504801. The reversal of 77342504793 is 39740524377.

It is not a de Polignac number, because 77342504793 - 2⁵ = 77342504761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77342504773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381843 + ... + 548168.

It is an arithmetic number, because the mean of its divisors is an integer number (6789087600).

Almost surely, 2^77342504793 is an apocalyptic number.

It is an amenable number.

77342504793 is a deficient number, since it is larger than the sum of its proper divisors (31282896807).

77342504793 is a wasteful number, since it uses less digits than its factorization.

77342504793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931492.

The product of its (nonzero) digits is 4445280, while the sum is 51.

The spelling of 77342504793 in words is "seventy-seven billion, three hundred forty-two million, five hundred four thousand, seven hundred ninety-three".