17970971802 has 16 divisors (see below), whose sum is σ = 41076507072. Its totient is φ = 5134563360.

The previous prime is 17970971783. The next prime is 17970971803. The reversal of 17970971802 is 20817907971.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (17970971803) 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, 213940099 + ... + 213940182.

It is an arithmetic number, because the mean of its divisors is an integer number (2567281692).

Almost surely, 2^17970971802 is an apocalyptic number.

17970971802 is an abundant number, since it is smaller than the sum of its proper divisors (23105535270).

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

17970971802 is a wasteful number, since it uses less digits than its factorization.

17970971802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427880293.

The product of its (nonzero) digits is 444528, while the sum is 51.

The spelling of 17970971802 in words is "seventeen billion, nine hundred seventy million, nine hundred seventy-one thousand, eight hundred two".