87768838 has 8 divisors (see below), whose sum is σ = 131874120. Its totient is φ = 43810800.

The previous prime is 87768829. The next prime is 87768839. The reversal of 87768838 is 83886778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87768839) 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, 35308 + ... + 37711.

It is an arithmetic number, because the mean of its divisors is an integer number (16484265).

Almost surely, 2^87768838 is an apocalyptic number.

87768838 is a deficient number, since it is larger than the sum of its proper divisors (44105282).

87768838 is a wasteful number, since it uses less digits than its factorization.

87768838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73622.

The product of its digits is 3612672, while the sum is 55.

The square root of 87768838 is about 9368.5024416926. The cubic root of 87768838 is about 444.4062071317.

The spelling of 87768838 in words is "eighty-seven million, seven hundred sixty-eight thousand, eight hundred thirty-eight".