97790061 has 8 divisors (see below), whose sum is σ = 130528224. Its totient is φ = 65122640.

The previous prime is 97790053. The next prime is 97790101. The reversal of 97790061 is 16009779.

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

It is a cyclic number.

It is not a de Polignac number, because 97790061 - 2³ = 97790053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97790261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14370 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (16316028).

Almost surely, 2^97790061 is an apocalyptic number.

It is an amenable number.

97790061 is a deficient number, since it is larger than the sum of its proper divisors (32738163).

97790061 is a wasteful number, since it uses less digits than its factorization.

97790061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35371.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 97790061 is about 9888.8857309608. The cubic root of 97790061 is about 460.7141726167.

The spelling of 97790061 in words is "ninety-seven million, seven hundred ninety thousand, sixty-one".