97825790 has 8 divisors (see below), whose sum is σ = 176086440. Its totient is φ = 39130312.

The previous prime is 97825771. The next prime is 97825799. The reversal of 97825790 is 9752879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97825799) 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, 4891280 + ... + 4891299.

It is an arithmetic number, because the mean of its divisors is an integer number (22010805).

Almost surely, 2^97825790 is an apocalyptic number.

97825790 is a deficient number, since it is larger than the sum of its proper divisors (78260650).

97825790 is a wasteful number, since it uses less digits than its factorization.

97825790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9782586.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 97825790 is about 9890.6920890300. The cubic root of 97825790 is about 460.7702752927.

The spelling of 97825790 in words is "ninety-seven million, eight hundred twenty-five thousand, seven hundred ninety".