97775974 has 8 divisors (see below), whose sum is σ = 146898288. Its totient is φ = 48809880.

The previous prime is 97775971. The next prime is 97775983. The reversal of 97775974 is 47957779.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97775971) 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, 37477 + ... + 40000.

It is an arithmetic number, because the mean of its divisors is an integer number (18362286).

Almost surely, 2^97775974 is an apocalyptic number.

97775974 is a deficient number, since it is larger than the sum of its proper divisors (49122314).

97775974 is a wasteful number, since it uses less digits than its factorization.

97775974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78110.

The product of its digits is 3889620, while the sum is 55.

The square root of 97775974 is about 9888.1734410355. The cubic root of 97775974 is about 460.6920490588.

It can be divided in two parts, 9777 and 5974, that added together give a palindrome (15751).

The spelling of 97775974 in words is "ninety-seven million, seven hundred seventy-five thousand, nine hundred seventy-four".