87002102761 has 16 divisors (see below), whose sum is σ = 103803321600. Its totient is φ = 71341155648.

The previous prime is 87002102723. The next prime is 87002102773. The reversal of 87002102761 is 16720120078.

It is a happy number.

It is not a de Polignac number, because 87002102761 - 2⁹ = 87002102249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87002102701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943845 + ... + 1988098.

It is an arithmetic number, because the mean of its divisors is an integer number (6487707600).

Almost surely, 2^87002102761 is an apocalyptic number.

It is an amenable number.

87002102761 is a deficient number, since it is larger than the sum of its proper divisors (16801218839).

87002102761 is a wasteful number, since it uses less digits than its factorization.

87002102761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932088.

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 87002102761 in words is "eighty-seven billion, two million, one hundred two thousand, seven hundred sixty-one".