97379775 has 18 divisors (see below), whose sum is σ = 174418400. Its totient is φ = 51935760.

The previous prime is 97379761. The next prime is 97379803. The reversal of 97379775 is 57797379.

It is a happy number.

It is not a de Polignac number, because 97379775 - 2¹² = 97375679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 216175 + ... + 216624.

Almost surely, 2^97379775 is an apocalyptic number.

97379775 is a deficient number, since it is larger than the sum of its proper divisors (77038625).

97379775 is a wasteful number, since it uses less digits than its factorization.

97379775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432815 (or 432807 counting only the distinct ones).

The product of its digits is 2917215, while the sum is 54.

The square root of 97379775 is about 9868.1191216969. The cubic root of 97379775 is about 460.0689483921.

The spelling of 97379775 in words is "ninety-seven million, three hundred seventy-nine thousand, seven hundred seventy-five".