97961085 has 24 divisors (see below), whose sum is σ = 175279104. Its totient is φ = 50559840.

The previous prime is 97961057. The next prime is 97961107. The reversal of 97961085 is 58016979.

It is not a de Polignac number, because 97961085 - 2⁵ = 97961053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 97961085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33717 + ... + 36506.

It is an arithmetic number, because the mean of its divisors is an integer number (7303296).

Almost surely, 2^97961085 is an apocalyptic number.

It is an amenable number.

97961085 is a deficient number, since it is larger than the sum of its proper divisors (77318019).

97961085 is a wasteful number, since it uses less digits than its factorization.

97961085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70265 (or 70262 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 97961085 is about 9897.5292371379. The cubic root of 97961085 is about 460.9825955726.

The spelling of 97961085 in words is "ninety-seven million, nine hundred sixty-one thousand, eighty-five".