8700042840 has 32 divisors (see below), whose sum is σ = 26100128880. Its totient is φ = 2320011392.

The previous prime is 8700042839. The next prime is 8700042851. The reversal of 8700042840 is 482400078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36250059 + ... + 36250298.

Almost surely, 2^8700042840 is an apocalyptic number.

It is an amenable number.

8700042840 is an abundant number, since it is smaller than the sum of its proper divisors (17400086040).

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

8700042840 is a wasteful number, since it uses less digits than its factorization.

8700042840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72500371 (or 72500367 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 8700042840 is about 93274.0201771104. The cubic root of 8700042840 is about 2056.7134920419.

The spelling of 8700042840 in words is "eight billion, seven hundred million, forty-two thousand, eight hundred forty".