87097682776 has 72 divisors (see below), whose sum is σ = 179170574940. Its totient is φ = 39669527040.

The previous prime is 87097682743. The next prime is 87097682809. The reversal of 87097682776 is 67728679078.

It is an interprime number because it is at equal distance from previous prime (87097682743) and next prime (87097682809).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 98861856 + ... + 98862736.

Almost surely, 2^87097682776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87097682776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89585287470).

87097682776 is an abundant number, since it is smaller than the sum of its proper divisors (92072892164).

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

87097682776 is an equidigital number, since it uses as much as digits as its factorization.

87097682776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 99574272, while the sum is 67.

The spelling of 87097682776 in words is "eighty-seven billion, ninety-seven million, six hundred eighty-two thousand, seven hundred seventy-six".