79253397 has 20 divisors (see below), whose sum is σ = 118705356. Its totient is φ = 52695360.

The previous prime is 79253393. The next prime is 79253401. The reversal of 79253397 is 79335297.

79253397 is a `hidden beast` number, since 7 + 9 + 253 + 397 = 666.

It is an interprime number because it is at equal distance from previous prime (79253393) and next prime (79253401).

It can be written as a sum of positive squares in 2 ways, for example, as 72488196 + 6765201 = 8514^2 + 2601^2 .

It is not a de Polignac number, because 79253397 - 2² = 79253393 is a prime.

It is a super-2 number, since 2×79253397² = 12562201872079218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79253393) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35947 + ... + 38087.

Almost surely, 2^79253397 is an apocalyptic number.

It is an amenable number.

79253397 is a deficient number, since it is larger than the sum of its proper divisors (39451959).

79253397 is a wasteful number, since it uses less digits than its factorization.

79253397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610 (or 2601 counting only the distinct ones).

The product of its digits is 357210, while the sum is 45.

The square root of 79253397 is about 8902.4376998663. The cubic root of 79253397 is about 429.5423235668.

The spelling of 79253397 in words is "seventy-nine million, two hundred fifty-three thousand, three hundred ninety-seven".