87105262 has 4 divisors (see below), whose sum is σ = 130657896. Its totient is φ = 43552630.

The previous prime is 87105233. The next prime is 87105287. The reversal of 87105262 is 26250178.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26250178 = 2 ⋅13125089.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21776314 + ... + 21776317.

It is an arithmetic number, because the mean of its divisors is an integer number (32664474).

Almost surely, 2^87105262 is an apocalyptic number.

87105262 is a deficient number, since it is larger than the sum of its proper divisors (43552634).

87105262 is a wasteful number, since it uses less digits than its factorization.

87105262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43552633.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 87105262 is about 9333.0199828351. The cubic root of 87105262 is about 443.2833954844.

The spelling of 87105262 in words is "eighty-seven million, one hundred five thousand, two hundred sixty-two".