78312678230 has 16 divisors (see below), whose sum is σ = 140979093840. Its totient is φ = 31321455072.

The previous prime is 78312678187. The next prime is 78312678239. The reversal of 78312678230 is 3287621387.

It is a super-2 number, since 2×78312678230² (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 (78312678239) 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 7 ways as a sum of consecutive naturals, for example, 360185 + ... + 535124.

It is an arithmetic number, because the mean of its divisors is an integer number (8811193365).

Almost surely, 2^78312678230 is an apocalyptic number.

78312678230 is a deficient number, since it is larger than the sum of its proper divisors (62666415610).

78312678230 is a wasteful number, since it uses less digits than its factorization.

78312678230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904063.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 78312678230 in words is "seventy-eight billion, three hundred twelve million, six hundred seventy-eight thousand, two hundred thirty".