73889980415 has 4 divisors (see below), whose sum is σ = 88667976504. Its totient is φ = 59111984328.

The previous prime is 73889980337. The next prime is 73889980513. The reversal of 73889980415 is 51408998837.

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

It is a cyclic number.

It is not a de Polignac number, because 73889980415 - 2²⁸ = 73621544959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7388998037 + ... + 7388998046.

It is an arithmetic number, because the mean of its divisors is an integer number (22166994126).

Almost surely, 2^73889980415 is an apocalyptic number.

73889980415 is a deficient number, since it is larger than the sum of its proper divisors (14777996089).

73889980415 is a wasteful number, since it uses less digits than its factorization.

73889980415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14777996088.

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 73889980415 in words is "seventy-three billion, eight hundred eighty-nine million, nine hundred eighty thousand, four hundred fifteen".