453750117879 has 4 divisors (see below), whose sum is σ = 605000157176. Its totient is φ = 302500078584.

The previous prime is 453750117857. The next prime is 453750117883. The reversal of 453750117879 is 978711057354.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-453750117879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453750117809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75625019644 + ... + 75625019649.

It is an arithmetic number, because the mean of its divisors is an integer number (151250039294).

Almost surely, 2^453750117879 is an apocalyptic number.

453750117879 is a deficient number, since it is larger than the sum of its proper divisors (151250039297).

453750117879 is a wasteful number, since it uses less digits than its factorization.

453750117879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151250039296.

The product of its (nonzero) digits is 7408800, while the sum is 57.

The spelling of 453750117879 in words is "four hundred fifty-three billion, seven hundred fifty million, one hundred seventeen thousand, eight hundred seventy-nine".