77807545623051 has 8 divisors (see below), whose sum is σ = 103766351339520. Its totient is φ = 51860218494312.

The previous prime is 77807545622971. The next prime is 77807545623091. The reversal of 77807545623051 is 15032654570877.

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

It is not a de Polignac number, because 77807545623051 - 2¹³ = 77807545614859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77807545623091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2869631115 + ... + 2869658228.

It is an arithmetic number, because the mean of its divisors is an integer number (12970793917440).

Almost surely, 2^{77807545623051} is an apocalyptic number.

77807545623051 is a deficient number, since it is larger than the sum of its proper divisors (25958805716469).

77807545623051 is a wasteful number, since it uses less digits than its factorization.

77807545623051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739293865.

The product of its (nonzero) digits is 49392000, while the sum is 60.

The spelling of 77807545623051 in words is "seventy-seven trillion, eight hundred seven billion, five hundred forty-five million, six hundred twenty-three thousand, fifty-one".