87023418802 has 4 divisors (see below), whose sum is σ = 130535128206. Its totient is φ = 43511709400.

The previous prime is 87023418793. The next prime is 87023418809. The reversal of 87023418802 is 20881432078.

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., 84920370921 + 2103047881 = 291411^2 + 45859^2 .

It is not an unprimeable number, because it can be changed into a prime (87023418809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21755854699 + ... + 21755854702.

Almost surely, 2^87023418802 is an apocalyptic number.

87023418802 is a deficient number, since it is larger than the sum of its proper divisors (43511709404).

87023418802 is a wasteful number, since it uses less digits than its factorization.

87023418802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43511709403.

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 87023418802 in words is "eighty-seven billion, twenty-three million, four hundred eighteen thousand, eight hundred two".