87877012 has 12 divisors (see below), whose sum is σ = 162831060. Its totient is φ = 41353856.

The previous prime is 87877003. The next prime is 87877037. The reversal of 87877012 is 21077878.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36554116 + 51322896 = 6046^2 + 7164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646087 + ... + 646222.

It is an arithmetic number, because the mean of its divisors is an integer number (13569255).

Almost surely, 2^87877012 is an apocalyptic number.

It is an amenable number.

87877012 is a deficient number, since it is larger than the sum of its proper divisors (74954048).

87877012 is a wasteful number, since it uses less digits than its factorization.

87877012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292330 (or 1292328 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 40.

The square root of 87877012 is about 9374.2739452184. The cubic root of 87877012 is about 444.5887072148.

The spelling of 87877012 in words is "eighty-seven million, eight hundred seventy-seven thousand, twelve".