8763972137 has 4 divisors (see below), whose sum is σ = 8773593216. Its totient is φ = 8754351060.

The previous prime is 8763972131. The next prime is 8763972193. The reversal of 8763972137 is 7312793678.

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 8763972137 - 2¹² = 8763968041 is a prime.

It is a super-2 number, since 2×8763972137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8763972131) 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, 4809173 + ... + 4810994.

It is an arithmetic number, because the mean of its divisors is an integer number (2193398304).

Almost surely, 2^8763972137 is an apocalyptic number.

It is an amenable number.

8763972137 is a deficient number, since it is larger than the sum of its proper divisors (9621079).

8763972137 is an equidigital number, since it uses as much as digits as its factorization.

8763972137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9621078.

The product of its digits is 2667168, while the sum is 53.

The square root of 8763972137 is about 93616.0890926341. The cubic root of 8763972137 is about 2061.7388887631.

The spelling of 8763972137 in words is "eight billion, seven hundred sixty-three million, nine hundred seventy-two thousand, one hundred thirty-seven".