29487799117 has 4 divisors (see below), whose sum is σ = 33700341856. Its totient is φ = 25275256380.

The previous prime is 29487799087. The next prime is 29487799139. The reversal of 29487799117 is 71199778492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29487799117 - 2¹⁵ = 29487766349 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 (29487799217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106271359 + ... + 2106271372.

It is an arithmetic number, because the mean of its divisors is an integer number (8425085464).

Almost surely, 2^29487799117 is an apocalyptic number.

It is an amenable number.

29487799117 is a deficient number, since it is larger than the sum of its proper divisors (4212542739).

29487799117 is an equidigital number, since it uses as much as digits as its factorization.

29487799117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212542738.

The product of its digits is 16003008, while the sum is 64.

The spelling of 29487799117 in words is "twenty-nine billion, four hundred eighty-seven million, seven hundred ninety-nine thousand, one hundred seventeen".