87408378760 has 16 divisors (see below), whose sum is σ = 196668852300. Its totient is φ = 34963351488.

The previous prime is 87408378703. The next prime is 87408378769. The reversal of 87408378760 is 6787380478.

It can be written as a sum of positive squares in 2 ways, for example, as 73878501636 + 13529877124 = 271806^2 + 116318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 87408378695 and 87408378704.

It is not an unprimeable number, because it can be changed into a prime (87408378769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092604695 + ... + 1092604774.

Almost surely, 2^87408378760 is an apocalyptic number.

It is an amenable number.

87408378760 is an abundant number, since it is smaller than the sum of its proper divisors (109260473540).

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

87408378760 is a wasteful number, since it uses less digits than its factorization.

87408378760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185209480 (or 2185209476 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 58.

The spelling of 87408378760 in words is "eighty-seven billion, four hundred eight million, three hundred seventy-eight thousand, seven hundred sixty".