87701018040 has 48 divisors (see below), whose sum is σ = 285028309800. Its totient is φ = 23386938048.

The previous prime is 87701017981. The next prime is 87701018059. The reversal of 87701018040 is 4081010778.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 87701017986 and 87701018004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121806610 + ... + 121807329.

Almost surely, 2^87701018040 is an apocalyptic number.

It is an amenable number.

87701018040 is an abundant number, since it is smaller than the sum of its proper divisors (197327291760).

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

87701018040 is a wasteful number, since it uses less digits than its factorization.

87701018040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243613956 (or 243613949 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The spelling of 87701018040 in words is "eighty-seven billion, seven hundred one million, eighteen thousand, forty".