97709677 has 8 divisors (see below), whose sum is σ = 105620760. Its totient is φ = 89855040.

The previous prime is 97709657. The next prime is 97709699. The reversal of 97709677 is 77690779.

It can be written as a sum of positive squares in 4 ways, for example, as 509796 + 97199881 = 714^2 + 9859^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97709677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97709657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10474 + ... + 17467.

It is an arithmetic number, because the mean of its divisors is an integer number (13202595).

Almost surely, 2^97709677 is an apocalyptic number.

It is an amenable number.

97709677 is a deficient number, since it is larger than the sum of its proper divisors (7911083).

97709677 is a wasteful number, since it uses less digits than its factorization.

97709677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28223.

The product of its (nonzero) digits is 1166886, while the sum is 52.

The square root of 97709677 is about 9884.8205345368. The cubic root of 97709677 is about 460.5879014336.

The spelling of 97709677 in words is "ninety-seven million, seven hundred nine thousand, six hundred seventy-seven".