87377140 has 24 divisors (see below), whose sum is σ = 183752352. Its totient is φ = 34901280.

The previous prime is 87377117. The next prime is 87377141. The reversal of 87377140 is 4177378.

It is a self number, because there is not a number n which added to its sum of digits gives 87377140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87377141) 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 in 7 ways as a sum of consecutive naturals, for example, 13527 + ... + 18913.

It is an arithmetic number, because the mean of its divisors is an integer number (7656348).

Almost surely, 2^87377140 is an apocalyptic number.

It is an amenable number.

87377140 is an abundant number, since it is smaller than the sum of its proper divisors (96375212).

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

87377140 is a wasteful number, since it uses less digits than its factorization.

87377140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207 (or 6205 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 87377140 is about 9347.5740168238. The cubic root of 87377140 is about 443.7441170945.

The spelling of 87377140 in words is "eighty-seven million, three hundred seventy-seven thousand, one hundred forty".