78372946330 has 32 divisors (see below), whose sum is σ = 161270928000. Its totient is φ = 26862960960.

The previous prime is 78372946291. The next prime is 78372946349. The reversal of 78372946330 is 3364927387.

It is a happy number.

It is a super-2 number, since 2×78372946330² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84940 + ... + 404920.

It is an arithmetic number, because the mean of its divisors is an integer number (5039716500).

Almost surely, 2^78372946330 is an apocalyptic number.

78372946330 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78372946330 is an abundant number, since it is smaller than the sum of its proper divisors (82897981670).

78372946330 is a wasteful number, since it uses less digits than its factorization.

78372946330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323494.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 78372946330 in words is "seventy-eight billion, three hundred seventy-two million, nine hundred forty-six thousand, three hundred thirty".