87722250456 has 64 divisors (see below), whose sum is σ = 221245217280. Its totient is φ = 28982995200.

The previous prime is 87722250449. The next prime is 87722250457. The reversal of 87722250456 is 65405222778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87722250457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629685 + ... + 1682651.

It is an arithmetic number, because the mean of its divisors is an integer number (3456956520).

Almost surely, 2^87722250456 is an apocalyptic number.

It is an amenable number.

87722250456 is an abundant number, since it is smaller than the sum of its proper divisors (133522966824).

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

87722250456 is a wasteful number, since it uses less digits than its factorization.

87722250456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53584 (or 53580 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 87722250456 in words is "eighty-seven billion, seven hundred twenty-two million, two hundred fifty thousand, four hundred fifty-six".