78490162 has 8 divisors (see below), whose sum is σ = 117782892. Its totient is φ = 39229200.

The previous prime is 78490157. The next prime is 78490163. The reversal of 78490162 is 26109487.

It can be written as a sum of positive squares in 2 ways, for example, as 78481881 + 8281 = 8859^2 + 91^2 .

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

It is not an unprimeable number, because it can be changed into a prime (78490163) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 289 + ... + 12532.

Almost surely, 2^78490162 is an apocalyptic number.

78490162 is a deficient number, since it is larger than the sum of its proper divisors (39292730).

78490162 is a wasteful number, since it uses less digits than its factorization.

78490162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15884.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 78490162 is about 8859.4673654797. The cubic root of 78490162 is about 428.1589977583.

The spelling of 78490162 in words is "seventy-eight million, four hundred ninety thousand, one hundred sixty-two".