97493775 has 12 divisors (see below), whose sum is σ = 161189832. Its totient is φ = 51996640.

The previous prime is 97493761. The next prime is 97493789. The reversal of 97493775 is 57739479.

It is an interprime number because it is at equal distance from previous prime (97493761) and next prime (97493789).

It is not a de Polignac number, because 97493775 - 2⁵ = 97493743 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649884 + ... + 650033.

It is an arithmetic number, because the mean of its divisors is an integer number (13432486).

Almost surely, 2^97493775 is an apocalyptic number.

97493775 is a deficient number, since it is larger than the sum of its proper divisors (63696057).

97493775 is a wasteful number, since it uses less digits than its factorization.

97493775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299930 (or 1299925 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 51.

The square root of 97493775 is about 9873.8936089063. The cubic root of 97493775 is about 460.2484086786.

It can be divided in two parts, 974 and 93775, that added together give a palindrome (94749).

The spelling of 97493775 in words is "ninety-seven million, four hundred ninety-three thousand, seven hundred seventy-five".