87530274472 has 8 divisors (see below), whose sum is σ = 164119264650. Its totient is φ = 43765137232.

The previous prime is 87530274467. The next prime is 87530274479. The reversal of 87530274472 is 27447203578.

It can be written as a sum of positive squares in only one way, i.e., 80126360356 + 7403914116 = 283066^2 + 86046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (87530274479) by changing a digit.

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 as a sum of consecutive naturals, namely, 5470642147 + ... + 5470642162.

Almost surely, 2^87530274472 is an apocalyptic number.

It is an amenable number.

87530274472 is a deficient number, since it is larger than the sum of its proper divisors (76588990178).

87530274472 is a wasteful number, since it uses less digits than its factorization.

87530274472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10941284315 (or 10941284311 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 49.

The spelling of 87530274472 in words is "eighty-seven billion, five hundred thirty million, two hundred seventy-four thousand, four hundred seventy-two".