97729671 has 12 divisors (see below), whose sum is σ = 140418488. Its totient is φ = 60103344.

The previous prime is 97729661. The next prime is 97729679. The reversal of 97729671 is 17692779.

It is not a de Polignac number, because 97729671 - 2⁶ = 97729607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97729671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97729679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60946 + ... + 62528.

Almost surely, 2^97729671 is an apocalyptic number.

97729671 is a deficient number, since it is larger than the sum of its proper divisors (42688817).

97729671 is an equidigital number, since it uses as much as digits as its factorization.

97729671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182 (or 1599 counting only the distinct ones).

The product of its digits is 333396, while the sum is 48.

The square root of 97729671 is about 9885.8318314647. The cubic root of 97729671 is about 460.6193154713.

The spelling of 97729671 in words is "ninety-seven million, seven hundred twenty-nine thousand, six hundred seventy-one".