87022493 has 8 divisors (see below), whose sum is σ = 87692448. Its totient is φ = 86355504.

The previous prime is 87022469. The next prime is 87022511. The reversal of 87022493 is 39422078.

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 87022493 - 2¹⁰ = 87021469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87022433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118355 + ... + 119087.

It is an arithmetic number, because the mean of its divisors is an integer number (10961556).

Almost surely, 2^87022493 is an apocalyptic number.

It is an amenable number.

87022493 is a deficient number, since it is larger than the sum of its proper divisors (669955).

87022493 is a wasteful number, since it uses less digits than its factorization.

87022493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 87022493 is about 9328.5847265274. The cubic root of 87022493 is about 443.1429456813.

The spelling of 87022493 in words is "eighty-seven million, twenty-two thousand, four hundred ninety-three".