87878068 has 12 divisors (see below), whose sum is σ = 157363360. Its totient is φ = 42917112.

The previous prime is 87878053. The next prime is 87878069. The reversal of 87878068 is 86087878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87878069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255288 + ... + 255631.

Almost surely, 2^87878068 is an apocalyptic number.

It is an amenable number.

87878068 is a deficient number, since it is larger than the sum of its proper divisors (69485292).

87878068 is a wasteful number, since it uses less digits than its factorization.

87878068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510966 (or 510964 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 52.

The square root of 87878068 is about 9374.3302694113. The cubic root of 87878068 is about 444.5904880514.

The spelling of 87878068 in words is "eighty-seven million, eight hundred seventy-eight thousand, sixty-eight".