78373408092 has 144 divisors (see below), whose sum is σ = 225406782720. Its totient is φ = 21059716608.

The previous prime is 78373408081. The next prime is 78373408129. The reversal of 78373408092 is 29080437387.

It is a super-2 number, since 2×78373408092² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22019409 + ... + 22022967.

It is an arithmetic number, because the mean of its divisors is an integer number (1565324880).

Almost surely, 2^78373408092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78373408092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112703391360).

78373408092 is an abundant number, since it is smaller than the sum of its proper divisors (147033374628).

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

78373408092 is a wasteful number, since it uses less digits than its factorization.

78373408092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800 (or 5791 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 78373408092 in words is "seventy-eight billion, three hundred seventy-three million, four hundred eight thousand, ninety-two".