87263435216 has 40 divisors (see below), whose sum is σ = 179679106944. Its totient is φ = 40913579520.

The previous prime is 87263435123. The next prime is 87263435243. The reversal of 87263435216 is 61253436278.

It is a super-2 number, since 2×87263435216² (a number of 23 digits) contains 22 as substring.

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, 518210 + ... + 665633.

Almost surely, 2^87263435216 is an apocalyptic number.

It is an amenable number.

87263435216 is an abundant number, since it is smaller than the sum of its proper divisors (92415671728).

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

87263435216 is a wasteful number, since it uses less digits than its factorization.

87263435216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184139 (or 1184133 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The spelling of 87263435216 in words is "eighty-seven billion, two hundred sixty-three million, four hundred thirty-five thousand, two hundred sixteen".