17197977480 has 32 divisors (see below), whose sum is σ = 51593932800. Its totient is φ = 4586127296.

The previous prime is 17197977479. The next prime is 17197977487. The reversal of 17197977480 is 8477979171.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (17197977487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71658120 + ... + 71658359.

It is an arithmetic number, because the mean of its divisors is an integer number (1612310400).

Almost surely, 2^17197977480 is an apocalyptic number.

17197977480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17197977480 is an abundant number, since it is smaller than the sum of its proper divisors (34395955320).

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

17197977480 is a wasteful number, since it uses less digits than its factorization.

17197977480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143316493 (or 143316489 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 60.

The spelling of 17197977480 in words is "seventeen billion, one hundred ninety-seven million, nine hundred seventy-seven thousand, four hundred eighty".