97980479 has 8 divisors (see below), whose sum is σ = 98694288. Its totient is φ = 97269760.

The previous prime is 97980433. The next prime is 97980481. The reversal of 97980479 is 97408979.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97980479 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 97980479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97980409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118064 + ... + 118890.

It is an arithmetic number, because the mean of its divisors is an integer number (12336786).

Almost surely, 2^97980479 is an apocalyptic number.

97980479 is a deficient number, since it is larger than the sum of its proper divisors (713809).

97980479 is a wasteful number, since it uses less digits than its factorization.

97980479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 97980479 is about 9898.5089281164. The cubic root of 97980479 is about 461.0130148169.

The spelling of 97980479 in words is "ninety-seven million, nine hundred eighty thousand, four hundred seventy-nine".