79286402 has 16 divisors (see below), whose sum is σ = 135612792. Its totient is φ = 34440960.

The previous prime is 79286387. The next prime is 79286407. The reversal of 79286402 is 20468297.

It can be written as a sum of positive squares in 4 ways, for example, as 71893441 + 7392961 = 8479^2 + 2719^2 .

It is not an unprimeable number, because it can be changed into a prime (79286407) by changing a digit.

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, 89249 + ... + 90132.

Almost surely, 2^79286402 is an apocalyptic number.

79286402 is a deficient number, since it is larger than the sum of its proper divisors (56326390).

79286402 is a wasteful number, since it uses less digits than its factorization.

79286402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179413.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 79286402 is about 8904.2912126682. The cubic root of 79286402 is about 429.6019427856.

The spelling of 79286402 in words is "seventy-nine million, two hundred eighty-six thousand, four hundred two".