87949822 has 16 divisors (see below), whose sum is σ = 139253760. Its totient is φ = 41544792.

The previous prime is 87949801. The next prime is 87949859. The reversal of 87949822 is 22894978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11533 + ... + 17575.

It is an arithmetic number, because the mean of its divisors is an integer number (8703360).

Almost surely, 2^87949822 is an apocalyptic number.

87949822 is a deficient number, since it is larger than the sum of its proper divisors (51303938).

87949822 is a wasteful number, since it uses less digits than its factorization.

87949822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447.

The product of its digits is 580608, while the sum is 49.

The square root of 87949822 is about 9378.1566418993. The cubic root of 87949822 is about 444.7114604697.

The spelling of 87949822 in words is "eighty-seven million, nine hundred forty-nine thousand, eight hundred twenty-two".