83768870 has 32 divisors (see below), whose sum is σ = 153474048. Its totient is φ = 32915808.

The previous prime is 83768869. The next prime is 83768873. The reversal of 83768870 is 7886738.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83768873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171767 + ... + 172253.

It is an arithmetic number, because the mean of its divisors is an integer number (4796064).

Almost surely, 2^83768870 is an apocalyptic number.

83768870 is a deficient number, since it is larger than the sum of its proper divisors (69705178).

83768870 is a wasteful number, since it uses less digits than its factorization.

83768870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 83768870 is about 9152.5335290290. The cubic root of 83768870 is about 437.5498631603.

The spelling of 83768870 in words is "eighty-three million, seven hundred sixty-eight thousand, eight hundred seventy".