87498695856 has 640 divisors, whose sum is σ = 286509662208. Its totient is φ = 22643712000.

The previous prime is 87498695827. The next prime is 87498695863. The reversal of 87498695856 is 65859689478.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 667928911 + ... + 667929041.

Almost surely, 2^87498695856 is an apocalyptic number.

87498695856 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87498695856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143254831104).

87498695856 is an abundant number, since it is smaller than the sum of its proper divisors (199010966352).

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

87498695856 is a wasteful number, since it uses less digits than its factorization.

87498695856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 307 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 75.

The spelling of 87498695856 in words is "eighty-seven billion, four hundred ninety-eight million, six hundred ninety-five thousand, eight hundred fifty-six".