8756861042 has 4 divisors (see below), whose sum is σ = 13135291566. Its totient is φ = 4378430520.

The previous prime is 8756861023. The next prime is 8756861053. The reversal of 8756861042 is 2401686578.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8425220521 + 331640521 = 91789^2 + 18211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189215259 + ... + 2189215262.

Almost surely, 2^8756861042 is an apocalyptic number.

8756861042 is a deficient number, since it is larger than the sum of its proper divisors (4378430524).

8756861042 is a wasteful number, since it uses less digits than its factorization.

8756861042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378430523.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 8756861042 is about 93578.1012951214. The cubic root of 8756861042 is about 2061.1811056012.

The spelling of 8756861042 in words is "eight billion, seven hundred fifty-six million, eight hundred sixty-one thousand, forty-two".