87877722 has 8 divisors (see below), whose sum is σ = 175755456. Its totient is φ = 29292572.

The previous prime is 87877721. The next prime is 87877729. The reversal of 87877722 is 22777878.

It is a sphenic number, since it is the product of 3 distinct primes.

87877722 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (87877721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7323138 + ... + 7323149.

It is an arithmetic number, because the mean of its divisors is an integer number (21969432).

Almost surely, 2^87877722 is an apocalyptic number.

87877722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87877722 is a wasteful number, since it uses less digits than its factorization.

87877722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14646292.

The product of its digits is 614656, while the sum is 48.

The square root of 87877722 is about 9374.3118147414. The cubic root of 87877722 is about 444.5899045592.

The spelling of 87877722 in words is "eighty-seven million, eight hundred seventy-seven thousand, seven hundred twenty-two".