17147804988 has 24 divisors (see below), whose sum is σ = 42117416320. Its totient is φ = 5415096240.

The previous prime is 17147804983. The next prime is 17147805011. The reversal of 17147804988 is 88940874171.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17147804983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37604608 + ... + 37605063.

Almost surely, 2^17147804988 is an apocalyptic number.

It is an amenable number.

17147804988 is an abundant number, since it is smaller than the sum of its proper divisors (24969611332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17147804988 is a wasteful number, since it uses less digits than its factorization.

17147804988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75209697 (or 75209695 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 57.

The spelling of 17147804988 in words is "seventeen billion, one hundred forty-seven million, eight hundred four thousand, nine hundred eighty-eight".