87669330 has 96 divisors (see below), whose sum is σ = 255498624. Its totient is φ = 19160064.

The previous prime is 87669301. The next prime is 87669343. The reversal of 87669330 is 3396678.

It is a super-2 number, since 2×87669330² = 15371822845297800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32514 + ... + 35106.

It is an arithmetic number, because the mean of its divisors is an integer number (2661444).

Almost surely, 2^87669330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87669330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127749312).

87669330 is an abundant number, since it is smaller than the sum of its proper divisors (167829294).

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

87669330 is a wasteful number, since it uses less digits than its factorization.

87669330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640 (or 2633 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 87669330 is about 9363.1901614781. The cubic root of 87669330 is about 444.2381949737.

The spelling of 87669330 in words is "eighty-seven million, six hundred sixty-nine thousand, three hundred thirty".