75817277994 has 32 divisors (see below), whose sum is σ = 160573202496. Its totient is φ = 23783002880.

The previous prime is 75817277983. The next prime is 75817277999. The reversal of 75817277994 is 49977271857.

It is not an unprimeable number, because it can be changed into a prime (75817277999) 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, 928924 + ... + 1007240.

It is an arithmetic number, because the mean of its divisors is an integer number (5017912578).

Almost surely, 2^75817277994 is an apocalyptic number.

75817277994 is an abundant number, since it is smaller than the sum of its proper divisors (84755924502).

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

75817277994 is a wasteful number, since it uses less digits than its factorization.

75817277994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87830.

The product of its digits is 62233920, while the sum is 66.

The spelling of 75817277994 in words is "seventy-five billion, eight hundred seventeen million, two hundred seventy-seven thousand, nine hundred ninety-four".