8672397949 has 4 divisors (see below), whose sum is σ = 8729831200. Its totient is φ = 8614964700.

The previous prime is 8672397913. The next prime is 8672397953. The reversal of 8672397949 is 9497932768.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8672397949 - 2¹⁷ = 8672266877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8672397959) 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, 28716399 + ... + 28716700.

It is an arithmetic number, because the mean of its divisors is an integer number (2182457800).

Almost surely, 2^8672397949 is an apocalyptic number.

It is an amenable number.

8672397949 is a deficient number, since it is larger than the sum of its proper divisors (57433251).

8672397949 is a wasteful number, since it uses less digits than its factorization.

8672397949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57433250.

The product of its digits is 41150592, while the sum is 64.

The square root of 8672397949 is about 93125.7104617194. The cubic root of 8672397949 is about 2054.5327384262.

The spelling of 8672397949 in words is "eight billion, six hundred seventy-two million, three hundred ninety-seven thousand, nine hundred forty-nine".