97148893 has 4 divisors (see below), whose sum is σ = 97507648. Its totient is φ = 96790140.

The previous prime is 97148873. The next prime is 97148951. The reversal of 97148893 is 39884179.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97148893 is a prime.

It is a super-2 number, since 2×97148893² = 18875814822250898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97148833) 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, 178971 + ... + 179512.

It is an arithmetic number, because the mean of its divisors is an integer number (24376912).

Almost surely, 2^97148893 is an apocalyptic number.

It is an amenable number.

97148893 is a deficient number, since it is larger than the sum of its proper divisors (358755).

97148893 is a wasteful number, since it uses less digits than its factorization.

97148893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358754.

The product of its digits is 435456, while the sum is 49.

The square root of 97148893 is about 9856.4138001608. The cubic root of 97148893 is about 459.7050614070.

The spelling of 97148893 in words is "ninety-seven million, one hundred forty-eight thousand, eight hundred ninety-three".