87822546 has 32 divisors (see below), whose sum is σ = 201121920. Its totient is φ = 25044096.

The previous prime is 87822521. The next prime is 87822551. The reversal of 87822546 is 64522878.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 87822498 and 87822507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24220 + ... + 27608.

It is an arithmetic number, because the mean of its divisors is an integer number (6285060).

Almost surely, 2^87822546 is an apocalyptic number.

87822546 is an abundant number, since it is smaller than the sum of its proper divisors (113299374).

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

87822546 is a wasteful number, since it uses less digits than its factorization.

87822546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018.

The product of its digits is 215040, while the sum is 42.

The square root of 87822546 is about 9371.3684166188. The cubic root of 87822546 is about 444.4968364950.

The spelling of 87822546 in words is "eighty-seven million, eight hundred twenty-two thousand, five hundred forty-six".