71669698875 has 96 divisors (see below), whose sum is σ = 131054973504. Its totient is φ = 37677312000.

The previous prime is 71669698871. The next prime is 71669698889. The reversal of 71669698875 is 57889696617.

It is not a de Polignac number, because 71669698875 - 2² = 71669698871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71669698871) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30226440 + ... + 30228810.

It is an arithmetic number, because the mean of its divisors is an integer number (1365155974).

Almost surely, 2^71669698875 is an apocalyptic number.

71669698875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

71669698875 is a deficient number, since it is larger than the sum of its proper divisors (59385274629).

71669698875 is a wasteful number, since it uses less digits than its factorization.

71669698875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2753 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 72.

The spelling of 71669698875 in words is "seventy-one billion, six hundred sixty-nine million, six hundred ninety-eight thousand, eight hundred seventy-five".