78413583479 has 8 divisors (see below), whose sum is σ = 97762389888. Its totient is φ = 61101493560.

The previous prime is 78413583449. The next prime is 78413583491. The reversal of 78413583479 is 97438531487.

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 78413583479 - 2³⁶ = 9694106743 is a prime.

It is a super-2 number, since 2×78413583479² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78413583439) 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, 509179037 + ... + 509179190.

It is an arithmetic number, because the mean of its divisors is an integer number (12220298736).

Almost surely, 2^78413583479 is an apocalyptic number.

78413583479 is a deficient number, since it is larger than the sum of its proper divisors (19348806409).

78413583479 is a wasteful number, since it uses less digits than its factorization.

78413583479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018358245.

The product of its digits is 20321280, while the sum is 59.

The spelling of 78413583479 in words is "seventy-eight billion, four hundred thirteen million, five hundred eighty-three thousand, four hundred seventy-nine".