78092394225 has 24 divisors (see below), whose sum is σ = 130881435552. Its totient is φ = 41078736000.

The previous prime is 78092394217. The next prime is 78092394251. The reversal of 78092394225 is 52249329087.

It is not a de Polignac number, because 78092394225 - 2³ = 78092394217 is a prime.

It is a super-3 number, since 3×78092394225³ (a number of 34 digits) contains 333 as substring.

It is a Curzon 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, 7126251 + ... + 7137200.

It is an arithmetic number, because the mean of its divisors is an integer number (5453393148).

Almost surely, 2^78092394225 is an apocalyptic number.

78092394225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78092394225 is a deficient number, since it is larger than the sum of its proper divisors (52789041327).

78092394225 is a wasteful number, since it uses less digits than its factorization.

78092394225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14263537 (or 14263532 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 78092394225 in words is "seventy-eight billion, ninety-two million, three hundred ninety-four thousand, two hundred twenty-five".