78850370 has 16 divisors (see below), whose sum is σ = 142034040. Its totient is φ = 31517184.

The previous prime is 78850327. The next prime is 78850393. The reversal of 78850370 is 7305887.

It can be written as a sum of positive squares in 4 ways, for example, as 57441241 + 21409129 = 7579^2 + 4627^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20996 + ... + 24464.

Almost surely, 2^78850370 is an apocalyptic number.

78850370 is a deficient number, since it is larger than the sum of its proper divisors (63183670).

78850370 is a wasteful number, since it uses less digits than its factorization.

78850370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 78850370 is about 8879.7730826863. The cubic root of 78850370 is about 428.8129691873.

The spelling of 78850370 in words is "seventy-eight million, eight hundred fifty thousand, three hundred seventy".