87687946 has 16 divisors (see below), whose sum is σ = 134202240. Its totient is φ = 42962400.

The previous prime is 87687931. The next prime is 87687949. The reversal of 87687946 is 64978678.

It is not an unprimeable number, because it can be changed into a prime (87687949) 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, 19621 + ... + 23671.

It is an arithmetic number, because the mean of its divisors is an integer number (8387640).

Almost surely, 2^87687946 is an apocalyptic number.

87687946 is a deficient number, since it is larger than the sum of its proper divisors (46514294).

87687946 is a wasteful number, since it uses less digits than its factorization.

87687946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269.

The product of its digits is 4064256, while the sum is 55.

The square root of 87687946 is about 9364.1842143350. The cubic root of 87687946 is about 444.2696364252.

The spelling of 87687946 in words is "eighty-seven million, six hundred eighty-seven thousand, nine hundred forty-six".