29297716085 has 24 divisors (see below), whose sum is σ = 38827245408. Its totient is φ = 21206354400.

The previous prime is 29297716079. The next prime is 29297716103. The reversal of 29297716085 is 58061779292.

It is not a de Polignac number, because 29297716085 - 2²⁰ = 29296667509 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 29297716085.

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, 12902 + ... + 242408.

It is an arithmetic number, because the mean of its divisors is an integer number (1617801892).

Almost surely, 2^29297716085 is an apocalyptic number.

It is an amenable number.

29297716085 is a deficient number, since it is larger than the sum of its proper divisors (9529529323).

29297716085 is a wasteful number, since it uses less digits than its factorization.

29297716085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229745 (or 229734 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 29297716085 in words is "twenty-nine billion, two hundred ninety-seven million, seven hundred sixteen thousand, eighty-five".