87926231 has 8 divisors (see below), whose sum is σ = 91260000. Its totient is φ = 84612640.

The previous prime is 87926219. The next prime is 87926233. The reversal of 87926231 is 13262978.

87926231 = T₁₃₇₈ + T₁₃₇₉ + ... + T₁₄₆₄.

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 87926231 - 2¹⁴ = 87909847 is a prime.

It is a super-2 number, since 2×87926231² = 15462044195730722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87926233) 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, 4145 + ... + 13893.

It is an arithmetic number, because the mean of its divisors is an integer number (11407500).

Almost surely, 2^87926231 is an apocalyptic number.

87926231 is a deficient number, since it is larger than the sum of its proper divisors (3333769).

87926231 is a wasteful number, since it uses less digits than its factorization.

87926231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10089.

The product of its digits is 36288, while the sum is 38.

The square root of 87926231 is about 9376.8987943776. The cubic root of 87926231 is about 444.6716948928.

The spelling of 87926231 in words is "eighty-seven million, nine hundred twenty-six thousand, two hundred thirty-one".