87850786 has 16 divisors (see below), whose sum is σ = 134876664. Its totient is φ = 42899584.

The previous prime is 87850759. The next prime is 87850787. The reversal of 87850786 is 68705878.

It can be written as a sum of positive squares in 4 ways, for example, as 55577025 + 32273761 = 7455^2 + 5681^2 .

It is not an unprimeable number, because it can be changed into a prime (87850787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22920 + ... + 26476.

Almost surely, 2^87850786 is an apocalyptic number.

87850786 is a deficient number, since it is larger than the sum of its proper divisors (47025878).

87850786 is a wasteful number, since it uses less digits than its factorization.

87850786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845.

The product of its (nonzero) digits is 752640, while the sum is 49.

The square root of 87850786 is about 9372.8750125028. The cubic root of 87850786 is about 444.5444751558.

The spelling of 87850786 in words is "eighty-seven million, eight hundred fifty thousand, seven hundred eighty-six".