97980695 has 4 divisors (see below), whose sum is σ = 117576840. Its totient is φ = 78384552.

The previous prime is 97980661. The next prime is 97980709. The reversal of 97980695 is 59608979.

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

It is a cyclic number.

It is not a de Polignac number, because 97980695 - 2¹⁴ = 97964311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9798065 + ... + 9798074.

It is an arithmetic number, because the mean of its divisors is an integer number (29394210).

Almost surely, 2^97980695 is an apocalyptic number.

97980695 is a deficient number, since it is larger than the sum of its proper divisors (19596145).

97980695 is a wasteful number, since it uses less digits than its factorization.

97980695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19596144.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 97980695 is about 9898.5198388446. The cubic root of 97980695 is about 461.0133535876.

The spelling of 97980695 in words is "ninety-seven million, nine hundred eighty thousand, six hundred ninety-five".