77057854907 has 8 divisors (see below), whose sum is σ = 84430205040. Its totient is φ = 69746686560.

The previous prime is 77057854877. The next prime is 77057854943. The reversal of 77057854907 is 70945875077.

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

It is a cyclic number.

It is not a de Polignac number, because 77057854907 - 2⁸ = 77057854651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77057854007) 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, 15292808 + ... + 15297845.

It is an arithmetic number, because the mean of its divisors is an integer number (10553775630).

Almost surely, 2^77057854907 is an apocalyptic number.

77057854907 is a deficient number, since it is larger than the sum of its proper divisors (7372350133).

77057854907 is a wasteful number, since it uses less digits than its factorization.

77057854907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30590893.

The product of its (nonzero) digits is 17287200, while the sum is 59.

The spelling of 77057854907 in words is "seventy-seven billion, fifty-seven million, eight hundred fifty-four thousand, nine hundred seven".