87247502740 has 24 divisors (see below), whose sum is σ = 183816575712. Its totient is φ = 34785321120.

The previous prime is 87247502737. The next prime is 87247502759. The reversal of 87247502740 is 4720574278.

It is a super-2 number, since 2×87247502740² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7098706 + ... + 7110985.

It is an arithmetic number, because the mean of its divisors is an integer number (7659023988).

Almost surely, 2^87247502740 is an apocalyptic number.

It is an amenable number.

87247502740 is an abundant number, since it is smaller than the sum of its proper divisors (96569072972).

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

87247502740 is a wasteful number, since it uses less digits than its factorization.

87247502740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14210007 (or 14210005 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 46.

The spelling of 87247502740 in words is "eighty-seven billion, two hundred forty-seven million, five hundred two thousand, seven hundred forty".