8978800402 has 24 divisors (see below), whose sum is σ = 15942656268. Its totient is φ = 3767327520.

The previous prime is 8978800387. The next prime is 8978800409. The reversal of 8978800402 is 2040088798.

8978800402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8641747521 + 337052881 = 92961^2 + 18359^2 .

It is a super-3 number, since 3×8978800402³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8978800409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1423873 + ... + 1430164.

Almost surely, 2^8978800402 is an apocalyptic number.

8978800402 is a deficient number, since it is larger than the sum of its proper divisors (6963855866).

8978800402 is a wasteful number, since it uses less digits than its factorization.

8978800402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854074 (or 2854063 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 8978800402 is about 94756.5322392077. The cubic root of 8978800402 is about 2078.4493189836.

The spelling of 8978800402 in words is "eight billion, nine hundred seventy-eight million, eight hundred thousand, four hundred two".