87250508205 has 32 divisors (see below), whose sum is σ = 159750330624. Its totient is φ = 39834310656.

The previous prime is 87250508201. The next prime is 87250508231. The reversal of 87250508205 is 50280505278.

It is not a de Polignac number, because 87250508205 - 2² = 87250508201 is a prime.

It is a super-2 number, since 2×87250508205² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87250508201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456324 + ... + 618653.

It is an arithmetic number, because the mean of its divisors is an integer number (4992197832).

Almost surely, 2^87250508205 is an apocalyptic number.

It is an amenable number.

87250508205 is a deficient number, since it is larger than the sum of its proper divisors (72499822419).

87250508205 is a wasteful number, since it uses less digits than its factorization.

87250508205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075765.

The product of its (nonzero) digits is 224000, while the sum is 42.

The spelling of 87250508205 in words is "eighty-seven billion, two hundred fifty million, five hundred eight thousand, two hundred five".