97499479 has 32 divisors (see below), whose sum is σ = 128563200. Its totient is φ = 71715840.

The previous prime is 97499473. The next prime is 97499587.

97499479 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97499479 - 2⁹ = 97498967 is a prime.

It is a super-2 number, since 2×97499479² = 19012296810542882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97499473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104487 + ... + 105415.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^97499479 is an apocalyptic number.

97499479 is a deficient number, since it is larger than the sum of its proper divisors (31063721).

97499479 is a wasteful number, since it uses less digits than its factorization.

97499479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its digits is 5143824, while the sum is 58.

The square root of 97499479 is about 9874.1824471700. The cubic root of 97499479 is about 460.2573843140.

The spelling of 97499479 in words is "ninety-seven million, four hundred ninety-nine thousand, four hundred seventy-nine".