77183078061 has 8 divisors (see below), whose sum is σ = 103360163680. Its totient is φ = 51230688912.

The previous prime is 77183078033. The next prime is 77183078083. The reversal of 77183078061 is 16087038177.

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

It is not a de Polignac number, because 77183078061 - 2⁹ = 77183077549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77183078061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77183078461) 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, 56173315 + ... + 56174688.

It is an arithmetic number, because the mean of its divisors is an integer number (12920020460).

Almost surely, 2^77183078061 is an apocalyptic number.

It is an amenable number.

77183078061 is a deficient number, since it is larger than the sum of its proper divisors (26177085619).

77183078061 is a wasteful number, since it uses less digits than its factorization.

77183078061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112348235.

The product of its (nonzero) digits is 395136, while the sum is 48.

The spelling of 77183078061 in words is "seventy-seven billion, one hundred eighty-three million, seventy-eight thousand, sixty-one".