87378276 has 24 divisors (see below), whose sum is σ = 210913920. Its totient is φ = 28121632.

The previous prime is 87378271. The next prime is 87378287. The reversal of 87378276 is 67287378.

It is not an unprimeable number, because it can be changed into a prime (87378271) 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, 125196 + ... + 125891.

It is an arithmetic number, because the mean of its divisors is an integer number (8788080).

Almost surely, 2^87378276 is an apocalyptic number.

It is an amenable number.

87378276 is an abundant number, since it is smaller than the sum of its proper divisors (123535644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87378276 is a wasteful number, since it uses less digits than its factorization.

87378276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251123 (or 251121 counting only the distinct ones).

The product of its digits is 790272, while the sum is 48.

The square root of 87378276 is about 9347.6347810556. The cubic root of 87378276 is about 443.7460401419.

The spelling of 87378276 in words is "eighty-seven million, three hundred seventy-eight thousand, two hundred seventy-six".