87026919 has 16 divisors (see below), whose sum is σ = 132787200. Its totient is φ = 49664160.

The previous prime is 87026909. The next prime is 87026983. The reversal of 87026919 is 91962078.

It is not a de Polignac number, because 87026919 - 2⁸ = 87026663 is a prime.

It is a super-2 number, since 2×87026919² = 15147369261265122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87026909) 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, 16857 + ... + 21405.

It is an arithmetic number, because the mean of its divisors is an integer number (8299200).

Almost surely, 2^87026919 is an apocalyptic number.

87026919 is a deficient number, since it is larger than the sum of its proper divisors (45760281).

87026919 is a wasteful number, since it uses less digits than its factorization.

87026919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5470.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 87026919 is about 9328.8219513506. The cubic root of 87026919 is about 443.1504583651.

The spelling of 87026919 in words is "eighty-seven million, twenty-six thousand, nine hundred nineteen".