78296125590 has 48 divisors (see below), whose sum is σ = 208304121168. Its totient is φ = 20393408448.

The previous prime is 78296125553. The next prime is 78296125637. The reversal of 78296125590 is 9552169287.

78296125590 is a `hidden beast` number, since 7 + 8 + 29 + 6 + 1 + 25 + 590 = 666.

It is a super-2 number, since 2×78296125590² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10111909 + ... + 10119648.

It is an arithmetic number, because the mean of its divisors is an integer number (4339669191).

Almost surely, 2^78296125590 is an apocalyptic number.

78296125590 is an abundant number, since it is smaller than the sum of its proper divisors (130007995578).

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

78296125590 is a wasteful number, since it uses less digits than its factorization.

78296125590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20231613 (or 20231610 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 78296125590 in words is "seventy-eight billion, two hundred ninety-six million, one hundred twenty-five thousand, five hundred ninety".