87764322 has 32 divisors (see below), whose sum is σ = 180633600. Its totient is φ = 28413648.

The previous prime is 87764321. The next prime is 87764351. The reversal of 87764322 is 22346778.

It is a super-2 number, since 2×87764322² = 15405152432239368, which contains 22 as substring.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (87764321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38079 + ... + 40317.

It is an arithmetic number, because the mean of its divisors is an integer number (5644800).

Almost surely, 2^87764322 is an apocalyptic number.

87764322 is an abundant number, since it is smaller than the sum of its proper divisors (92869278).

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

87764322 is a wasteful number, since it uses less digits than its factorization.

87764322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430.

The product of its digits is 112896, while the sum is 39.

The square root of 87764322 is about 9368.2614182142. The cubic root of 87764322 is about 444.3985849395.

The spelling of 87764322 in words is "eighty-seven million, seven hundred sixty-four thousand, three hundred twenty-two".