87020410562 has 6 divisors (see below), whose sum is σ = 130531241619. Its totient is φ = 43509996690.

The previous prime is 87020410537. The next prime is 87020410579. The reversal of 87020410562 is 26501402078.

It can be written as a sum of positive squares in only one way, i.e., 43510205281 + 43510205281 = 208591^2 + 208591^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=208591.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 312887 + ... + 521477.

Almost surely, 2^87020410562 is an apocalyptic number.

87020410562 is a deficient number, since it is larger than the sum of its proper divisors (43510831057).

87020410562 is an frugal number, since it uses more digits than its factorization.

87020410562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417184 (or 208593 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 87020410562 in words is "eighty-seven billion, twenty million, four hundred ten thousand, five hundred sixty-two".