16972478763 has 4 divisors (see below), whose sum is σ = 22629971688. Its totient is φ = 11314985840.

The previous prime is 16972478759. The next prime is 16972478767. The reversal of 16972478763 is 36787427961.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16972478759) and next prime (16972478767).

It is a cyclic number.

It is not a de Polignac number, because 16972478763 - 2² = 16972478759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16972478697 and 16972478706.

It is not an unprimeable number, because it can be changed into a prime (16972478767) 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, 2828746458 + ... + 2828746463.

It is an arithmetic number, because the mean of its divisors is an integer number (5657492922).

Almost surely, 2^16972478763 is an apocalyptic number.

16972478763 is a deficient number, since it is larger than the sum of its proper divisors (5657492925).

16972478763 is an equidigital number, since it uses as much as digits as its factorization.

16972478763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657492924.

The product of its digits is 21337344, while the sum is 60.

The spelling of 16972478763 in words is "sixteen billion, nine hundred seventy-two million, four hundred seventy-eight thousand, seven hundred sixty-three".