8197707654 has 32 divisors (see below), whose sum is σ = 18271225440. Its totient is φ = 2724454656.

The previous prime is 8197707653. The next prime is 8197707659. The reversal of 8197707654 is 4567077918.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 8197707654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8197707653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207039 + ... + 243434.

It is an arithmetic number, because the mean of its divisors is an integer number (570975795).

Almost surely, 2^8197707654 is an apocalyptic number.

8197707654 is an abundant number, since it is smaller than the sum of its proper divisors (10073517786).

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

8197707654 is a wasteful number, since it uses less digits than its factorization.

8197707654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450821 (or 450815 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The square root of 8197707654 is about 90541.1931332915. The cubic root of 8197707654 is about 2016.3417477971.

The spelling of 8197707654 in words is "eight billion, one hundred ninety-seven million, seven hundred seven thousand, six hundred fifty-four".