78079225 has 24 divisors (see below), whose sum is σ = 111332160. Its totient is φ = 53209920.

The previous prime is 78079163. The next prime is 78079241. The reversal of 78079225 is 52297087.

It is not a de Polignac number, because 78079225 - 2¹⁵ = 78046457 is a prime.

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, 28986 + ... + 31564.

It is an arithmetic number, because the mean of its divisors is an integer number (4638840).

Almost surely, 2^78079225 is an apocalyptic number.

It is an amenable number.

78079225 is a deficient number, since it is larger than the sum of its proper divisors (33252935).

78079225 is a wasteful number, since it uses less digits than its factorization.

78079225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769 (or 2764 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 78079225 is about 8836.2449603890. The cubic root of 78079225 is about 427.4104779317.

The spelling of 78079225 in words is "seventy-eight million, seventy-nine thousand, two hundred twenty-five".