87752506266 has 12 divisors (see below), whose sum is σ = 190130430282. Its totient is φ = 29250835416.

The previous prime is 87752506243. The next prime is 87752506319. The reversal of 87752506266 is 66260525778.

87752506266 is a `hidden beast` number, since 8 + 7 + 7 + 5 + 2 + 5 + 0 + 626 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74717489025 + 13035017241 = 273345^2 + 114171^2 .

It is a super-3 number, since 3×87752506266³ (a number of 34 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2437569601 + ... + 2437569636.

Almost surely, 2^87752506266 is an apocalyptic number.

87752506266 is an abundant number, since it is smaller than the sum of its proper divisors (102377924016).

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

87752506266 is a wasteful number, since it uses less digits than its factorization.

87752506266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875139245 (or 4875139242 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 87752506266 in words is "eighty-seven billion, seven hundred fifty-two million, five hundred six thousand, two hundred sixty-six".