87101386 has 4 divisors (see below), whose sum is σ = 130652082. Its totient is φ = 43550692.

The previous prime is 87101369. The next prime is 87101389. The reversal of 87101386 is 68310178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50680161 + 36421225 = 7119^2 + 6035^2 .

It is not an unprimeable number, because it can be changed into a prime (87101389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21775345 + ... + 21775348.

Almost surely, 2^87101386 is an apocalyptic number.

87101386 is a deficient number, since it is larger than the sum of its proper divisors (43550696).

87101386 is a wasteful number, since it uses less digits than its factorization.

87101386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43550695.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 87101386 is about 9332.8123306965. The cubic root of 87101386 is about 443.2768203289.

The spelling of 87101386 in words is "eighty-seven million, one hundred one thousand, three hundred eighty-six".