97995457 has 4 divisors (see below), whose sum is σ = 111994816. Its totient is φ = 83996100.

The previous prime is 97995449. The next prime is 97995481. The reversal of 97995457 is 75459979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75459979 = 7 ⋅10779997.

It is a cyclic number.

It is not a de Polignac number, because 97995457 - 2³ = 97995449 is a prime.

It is a super-3 number, since 3×97995457³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97995398 and 97995407.

It is not an unprimeable number, because it can be changed into a prime (97995427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6999669 + ... + 6999682.

It is an arithmetic number, because the mean of its divisors is an integer number (27998704).

Almost surely, 2^97995457 is an apocalyptic number.

It is an amenable number.

97995457 is a deficient number, since it is larger than the sum of its proper divisors (13999359).

97995457 is a wasteful number, since it uses less digits than its factorization.

97995457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13999358.

The product of its digits is 3572100, while the sum is 55.

The square root of 97995457 is about 9899.2654778019. The cubic root of 97995457 is about 461.0365048740.

The spelling of 97995457 in words is "ninety-seven million, nine hundred ninety-five thousand, four hundred fifty-seven".