87298702647 has 32 divisors (see below), whose sum is σ = 127144550400. Its totient is φ = 52954912512.

The previous prime is 87298702643. The next prime is 87298702679. The reversal of 87298702647 is 74620789278.

It is not a de Polignac number, because 87298702647 - 2² = 87298702643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87298702643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5341354 + ... + 5357672.

It is an arithmetic number, because the mean of its divisors is an integer number (3973267200).

Almost surely, 2^87298702647 is an apocalyptic number.

87298702647 is a deficient number, since it is larger than the sum of its proper divisors (39845847753).

87298702647 is a wasteful number, since it uses less digits than its factorization.

87298702647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18287.

The product of its (nonzero) digits is 18966528, while the sum is 60.

The spelling of 87298702647 in words is "eighty-seven billion, two hundred ninety-eight million, seven hundred two thousand, six hundred forty-seven".