77045716431451 has 8 divisors (see below), whose sum is σ = 77766207528960. Its totient is φ = 76325233439208.

The previous prime is 77045716431353. The next prime is 77045716431511. The reversal of 77045716431451 is 15413461754077.

It is a happy number.

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 77045716431451 - 2¹⁹ = 77045715907163 is a prime.

It is a super-4 number, since 4×77045716431451⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77045716431392 and 77045716431401.

It is not an unprimeable number, because it can be changed into a prime (77045716437451) 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, 17994430 + ... + 21860716.

It is an arithmetic number, because the mean of its divisors is an integer number (9720775941120).

Almost surely, 2^{77045716431451} is an apocalyptic number.

77045716431451 is a deficient number, since it is larger than the sum of its proper divisors (720491097509).

77045716431451 is a wasteful number, since it uses less digits than its factorization.

77045716431451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052633.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 77045716431451 in words is "seventy-seven trillion, forty-five billion, seven hundred sixteen million, four hundred thirty-one thousand, four hundred fifty-one".