97980043 has 4 divisors (see below), whose sum is σ = 111977200. Its totient is φ = 83982888.

The previous prime is 97980031. The next prime is 97980049. The reversal of 97980043 is 34008979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97980043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97979978 and 97980005.

It is not an unprimeable number, because it can be changed into a prime (97980049) 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, 6998568 + ... + 6998581.

It is an arithmetic number, because the mean of its divisors is an integer number (27994300).

Almost surely, 2^97980043 is an apocalyptic number.

97980043 is a deficient number, since it is larger than the sum of its proper divisors (13997157).

97980043 is a wasteful number, since it uses less digits than its factorization.

97980043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13997156.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 97980043 is about 9898.4869045728. The cubic root of 97980043 is about 461.0123310006.

The spelling of 97980043 in words is "ninety-seven million, nine hundred eighty thousand, forty-three".