87062940 has 72 divisors (see below), whose sum is σ = 278001360. Its totient is φ = 21993984.

The previous prime is 87062893. The next prime is 87062947. The reversal of 87062940 is 4926078.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 87062895 and 87062904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87062947) 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 23 ways as a sum of consecutive naturals, for example, 9309 + ... + 16148.

It is an arithmetic number, because the mean of its divisors is an integer number (3861130).

Almost surely, 2^87062940 is an apocalyptic number.

It is an amenable number.

87062940 is an abundant number, since it is smaller than the sum of its proper divisors (190938420).

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

87062940 is a wasteful number, since it uses less digits than its factorization.

87062940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25491 (or 25486 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 87062940 is about 9330.7523812391. The cubic root of 87062940 is about 443.2115908706.

The spelling of 87062940 in words is "eighty-seven million, sixty-two thousand, nine hundred forty".