8752249861 has 4 divisors (see below), whose sum is σ = 8752441824. Its totient is φ = 8752057900.

The previous prime is 8752249853. The next prime is 8752249897. The reversal of 8752249861 is 1689422578.

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 8752249861 - 2³ = 8752249853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8752249799 and 8752249808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8752249801) 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, 15816 + ... + 133246.

It is an arithmetic number, because the mean of its divisors is an integer number (2188110456).

Almost surely, 2^8752249861 is an apocalyptic number.

It is an amenable number.

8752249861 is a deficient number, since it is larger than the sum of its proper divisors (191963).

8752249861 is a wasteful number, since it uses less digits than its factorization.

8752249861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191962.

The product of its digits is 1935360, while the sum is 52.

The square root of 8752249861 is about 93553.4599092946. The cubic root of 8752249861 is about 2060.8192503702.

The spelling of 8752249861 in words is "eight billion, seven hundred fifty-two million, two hundred forty-nine thousand, eight hundred sixty-one".