87334905 has 48 divisors (see below), whose sum is σ = 167837184. Its totient is φ = 38626560.

The previous prime is 87334903. The next prime is 87334909. The reversal of 87334905 is 50943378.

It is not a de Polignac number, because 87334905 - 2¹ = 87334903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87334903) 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 47 ways as a sum of consecutive naturals, for example, 20869 + ... + 24701.

It is an arithmetic number, because the mean of its divisors is an integer number (3496608).

Almost surely, 2^87334905 is an apocalyptic number.

It is an amenable number.

87334905 is a deficient number, since it is larger than the sum of its proper divisors (80502279).

87334905 is a wasteful number, since it uses less digits than its factorization.

87334905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886 (or 3879 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 87334905 is about 9345.3146014460. The cubic root of 87334905 is about 443.6726088669.

It can be divided in two parts, 873 and 34905, that added together give a triangular number (35778 = T₂₆₇).

The spelling of 87334905 in words is "eighty-seven million, three hundred thirty-four thousand, nine hundred five".