97680481 has 4 divisors (see below), whose sum is σ = 100320532. Its totient is φ = 95040432.

The previous prime is 97680469. The next prime is 97680529. The reversal of 97680481 is 18408679.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72590400 + 25090081 = 8520^2 + 5009^2 .

It is a cyclic number.

It is not a de Polignac number, because 97680481 - 2¹¹ = 97678433 is a prime.

It is a super-2 number, since 2×97680481² = 19082952736782722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97680421) 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, 1319970 + ... + 1320043.

It is an arithmetic number, because the mean of its divisors is an integer number (25080133).

Almost surely, 2^97680481 is an apocalyptic number.

It is an amenable number.

97680481 is a deficient number, since it is larger than the sum of its proper divisors (2640051).

97680481 is a wasteful number, since it uses less digits than its factorization.

97680481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640050.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 97680481 is about 9883.3436143848. The cubic root of 97680481 is about 460.5420217610.

The spelling of 97680481 in words is "ninety-seven million, six hundred eighty thousand, four hundred eighty-one".