87022389 has 8 divisors (see below), whose sum is σ = 116188992. Its totient is φ = 57935360.

The previous prime is 87022387. The next prime is 87022391. The reversal of 87022389 is 98322078.

It is an interprime number because it is at equal distance from previous prime (87022387) and next prime (87022391).

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

It is a cyclic number.

It is not a de Polignac number, because 87022389 - 2¹ = 87022387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87022387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17292 + ... + 21749.

It is an arithmetic number, because the mean of its divisors is an integer number (14523624).

Almost surely, 2^87022389 is an apocalyptic number.

It is an amenable number.

87022389 is a deficient number, since it is larger than the sum of its proper divisors (29166603).

87022389 is a wasteful number, since it uses less digits than its factorization.

87022389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39787.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 87022389 is about 9328.5791522611. The cubic root of 87022389 is about 443.1427691488.

The spelling of 87022389 in words is "eighty-seven million, twenty-two thousand, three hundred eighty-nine".