87278532727488 has 56 divisors (see below), whose sum is σ = 231652919636592. Its totient is φ = 29001068688384.

The previous prime is 87278532727469. The next prime is 87278532727499. The reversal of 87278532727488 is 88472723587278.

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, 716935495 + ... + 717057222.

Almost surely, 2^{87278532727488} is an apocalyptic number.

It is an amenable number.

87278532727488 is an abundant number, since it is smaller than the sum of its proper divisors (144374386909104).

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

87278532727488 is a wasteful number, since it uses less digits than its factorization.

87278532727488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433993049 (or 1433993039 counting only the distinct ones).

The product of its digits is 4720558080, while the sum is 78.

The spelling of 87278532727488 in words is "eighty-seven trillion, two hundred seventy-eight billion, five hundred thirty-two million, seven hundred twenty-seven thousand, four hundred eighty-eight".