97893457 has 4 divisors (see below), whose sum is σ = 97920880. Its totient is φ = 97866036.

The previous prime is 97893427. The next prime is 97893533. The reversal of 97893457 is 75439879.

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: 75439879 = 73 ⋅1033423.

It is a cyclic number.

It is not a de Polignac number, because 97893457 - 2⁷ = 97893329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97893407) 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, 7383 + ... + 15820.

It is an arithmetic number, because the mean of its divisors is an integer number (24480220).

Almost surely, 2^97893457 is an apocalyptic number.

It is an amenable number.

97893457 is a deficient number, since it is larger than the sum of its proper divisors (27423).

97893457 is a wasteful number, since it uses less digits than its factorization.

97893457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27422.

The product of its digits is 1905120, while the sum is 52.

The square root of 97893457 is about 9894.1122391046. The cubic root of 97893457 is about 460.8764904876.

The spelling of 97893457 in words is "ninety-seven million, eight hundred ninety-three thousand, four hundred fifty-seven".