79089225 has 12 divisors (see below), whose sum is σ = 130760976. Its totient is φ = 42180880.

The previous prime is 79089223. The next prime is 79089247. The reversal of 79089225 is 52298097.

It is not a de Polignac number, because 79089225 - 2¹ = 79089223 is a prime.

It is a super-2 number, since 2×79089225² = 12510211022201250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79089223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527187 + ... + 527336.

It is an arithmetic number, because the mean of its divisors is an integer number (10896748).

Almost surely, 2^79089225 is an apocalyptic number.

79089225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79089225 is a deficient number, since it is larger than the sum of its proper divisors (51671751).

79089225 is a wasteful number, since it uses less digits than its factorization.

79089225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054536 (or 1054531 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 79089225 is about 8893.2122992763. The cubic root of 79089225 is about 429.2455221091.

The spelling of 79089225 in words is "seventy-nine million, eighty-nine thousand, two hundred twenty-five".