87834258 has 30 divisors (see below), whose sum is σ = 194444679. Its totient is φ = 28655148.

The previous prime is 87834233. The next prime is 87834277. The reversal of 87834258 is 85243878.

It can be written as a sum of positive squares in only one way, i.e., 43917129 + 43917129 = 6627^2 + 6627^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6627.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1868791 + ... + 1868837.

Almost surely, 2^87834258 is an apocalyptic number.

87834258 is an abundant number, since it is smaller than the sum of its proper divisors (106610421).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87834258 is an frugal number, since it uses more digits than its factorization.

87834258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 52 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 87834258 is about 9371.9932778465. The cubic root of 87834258 is about 444.5165949578.

It can be divided in two parts, 8783 and 4258, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 87834258 in words is "eighty-seven million, eight hundred thirty-four thousand, two hundred fifty-eight".