526990087 has 16 divisors (see below), whose sum is σ = 574801920. Its totient is φ = 480251232.

The previous prime is 526990067. The next prime is 526990109. The reversal of 526990087 is 780099625.

It is a cyclic number.

It is not a de Polignac number, because 526990087 - 2¹⁹ = 526465799 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 (526990027) 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 15 ways as a sum of consecutive naturals, for example, 610218 + ... + 611080.

It is an arithmetic number, because the mean of its divisors is an integer number (35925120).

Almost surely, 2^526990087 is an apocalyptic number.

526990087 is a deficient number, since it is larger than the sum of its proper divisors (47811833).

526990087 is a wasteful number, since it uses less digits than its factorization.

526990087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 526990087 is about 22956.2646569515. The cubic root of 526990087 is about 807.7323594626.

The spelling of 526990087 in words is "five hundred twenty-six million, nine hundred ninety thousand, eighty-seven".