78506130373 has 16 divisors (see below), whose sum is σ = 90712911744. Its totient is φ = 67147292160.

The previous prime is 78506130331. The next prime is 78506130397. The reversal of 78506130373 is 37303160587.

It is a cyclic number.

It is not a de Polignac number, because 78506130373 - 2¹⁷ = 78505999301 is a prime.

It is a super-2 number, since 2×78506130373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78506131373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467161 + ... + 612577.

It is an arithmetic number, because the mean of its divisors is an integer number (5669556984).

Almost surely, 2^78506130373 is an apocalyptic number.

It is an amenable number.

78506130373 is a deficient number, since it is larger than the sum of its proper divisors (12206781371).

78506130373 is a wasteful number, since it uses less digits than its factorization.

78506130373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148332.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 78506130373 in words is "seventy-eight billion, five hundred six million, one hundred thirty thousand, three hundred seventy-three".