78782010 has 32 divisors (see below), whose sum is σ = 189326592. Its totient is φ = 20980800.

The previous prime is 78781981. The next prime is 78782027. The reversal of 78782010 is 1028787.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32335 + ... + 34685.

It is an arithmetic number, because the mean of its divisors is an integer number (5916456).

Almost surely, 2^78782010 is an apocalyptic number.

78782010 is an abundant number, since it is smaller than the sum of its proper divisors (110544582).

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

78782010 is a wasteful number, since it uses less digits than its factorization.

78782010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 78782010 is about 8875.9230505903. The cubic root of 78782010 is about 428.6890123397.

The spelling of 78782010 in words is "seventy-eight million, seven hundred eighty-two thousand, ten".