87705750457888 has 12 divisors (see below), whose sum is σ = 172670696214030. Its totient is φ = 43852875228928.

The previous prime is 87705750457877. The next prime is 87705750457889. The reversal of 87705750457888 is 88875405750778.

It can be written as a sum of positive squares in only one way, i.e., 77722349696784 + 9983400761104 = 8816028^2 + 3159652^2 .

It is a super-2 number, since 2×87705750457888² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87705750457889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370402350873 + ... + 1370402350936.

Almost surely, 2^{87705750457888} is an apocalyptic number.

It is an amenable number.

87705750457888 is a deficient number, since it is larger than the sum of its proper divisors (84964945756142).

87705750457888 is a wasteful number, since it uses less digits than its factorization.

87705750457888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740804701819 (or 2740804701811 counting only the distinct ones).

The product of its (nonzero) digits is 4917248000, while the sum is 79.

The spelling of 87705750457888 in words is "eighty-seven trillion, seven hundred five billion, seven hundred fifty million, four hundred fifty-seven thousand, eight hundred eighty-eight".