97433977 has 4 divisors (see below), whose sum is σ = 97534080. Its totient is φ = 97333876.

The previous prime is 97433971. The next prime is 97434037. The reversal of 97433977 is 77933479.

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 not a de Polignac number, because 97433977 - 2⁷ = 97433849 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97433977.

It is not an unprimeable number, because it can be changed into a prime (97433971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48577 + ... + 50542.

It is an arithmetic number, because the mean of its divisors is an integer number (24383520).

Almost surely, 2^97433977 is an apocalyptic number.

It is an amenable number.

97433977 is a deficient number, since it is larger than the sum of its proper divisors (100103).

97433977 is an equidigital number, since it uses as much as digits as its factorization.

97433977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100102.

The product of its digits is 1000188, while the sum is 49.

The square root of 97433977 is about 9870.8650583422. The cubic root of 97433977 is about 460.1542913426.

The spelling of 97433977 in words is "ninety-seven million, four hundred thirty-three thousand, nine hundred seventy-seven".