97477109 has 4 divisors (see below), whose sum is σ = 98651616. Its totient is φ = 96302604.

The previous prime is 97477103. The next prime is 97477117. The reversal of 97477109 is 90177479.

It is a happy number.

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 97477109 - 2⁸ = 97476853 is a prime.

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 97477109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97477103) 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, 587129 + ... + 587294.

It is an arithmetic number, because the mean of its divisors is an integer number (24662904).

Almost surely, 2^97477109 is an apocalyptic number.

It is an amenable number.

97477109 is a deficient number, since it is larger than the sum of its proper divisors (1174507).

97477109 is a wasteful number, since it uses less digits than its factorization.

97477109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174506.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 97477109 is about 9873.0496301801. The cubic root of 97477109 is about 460.2221815782. Note that the first 3 decimals are identical.

The spelling of 97477109 in words is "ninety-seven million, four hundred seventy-seven thousand, one hundred nine".