78323076188 has 48 divisors (see below), whose sum is σ = 158672606400. Its totient is φ = 33135091200.

The previous prime is 78323076187. The next prime is 78323076239. The reversal of 78323076188 is 88167032387.

It is a super-2 number, since 2×78323076188² (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 (78323076187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773288 + ... + 868688.

It is an arithmetic number, because the mean of its divisors is an integer number (3305679300).

Almost surely, 2^78323076188 is an apocalyptic number.

It is an amenable number.

78323076188 is an abundant number, since it is smaller than the sum of its proper divisors (80349530212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78323076188 is a wasteful number, since it uses less digits than its factorization.

78323076188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95790 (or 95788 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 78323076188 in words is "seventy-eight billion, three hundred twenty-three million, seventy-six thousand, one hundred eighty-eight".