8701878787 has 16 divisors (see below), whose sum is σ = 10287006400. Its totient is φ = 7356557376.

The previous prime is 8701878767. The next prime is 8701878793. The reversal of 8701878787 is 7878781078.

It is not a de Polignac number, because 8701878787 - 2⁷ = 8701878659 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8701878767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148728 + ... + 198805.

It is an arithmetic number, because the mean of its divisors is an integer number (642937900).

Almost surely, 2^8701878787 is an apocalyptic number.

8701878787 is a deficient number, since it is larger than the sum of its proper divisors (1585127613).

8701878787 is an equidigital number, since it uses as much as digits as its factorization.

8701878787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347627 (or 347613 counting only the distinct ones).

The product of its (nonzero) digits is 9834496, while the sum is 61.

The square root of 8701878787 is about 93283.8613426781. The cubic root of 8701878787 is about 2056.8581561334.

The spelling of 8701878787 in words is "eight billion, seven hundred one million, eight hundred seventy-eight thousand, seven hundred eighty-seven".