78264234530 has 16 divisors (see below), whose sum is σ = 141115625280. Its totient is φ = 31252359792.

The previous prime is 78264234523. The next prime is 78264234547. The reversal of 78264234530 is 3543246287.

It is a super-2 number, since 2×78264234530² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6660590 + ... + 6672329.

It is an arithmetic number, because the mean of its divisors is an integer number (8819726580).

Almost surely, 2^78264234530 is an apocalyptic number.

78264234530 is a deficient number, since it is larger than the sum of its proper divisors (62851390750).

78264234530 is a wasteful number, since it uses less digits than its factorization.

78264234530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333513.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 78264234530 in words is "seventy-eight billion, two hundred sixty-four million, two hundred thirty-four thousand, five hundred thirty".