2006902078 has 4 divisors (see below), whose sum is σ = 3010353120. Its totient is φ = 1003451038.

The previous prime is 2006902067. The next prime is 2006902097. The reversal of 2006902078 is 8702096002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8702096002 = 2 ⋅4351048001.

It is a super-3 number, since 3×2006902078³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501725518 + ... + 501725521.

It is an arithmetic number, because the mean of its divisors is an integer number (752588280).

Almost surely, 2^2006902078 is an apocalyptic number.

2006902078 is a deficient number, since it is larger than the sum of its proper divisors (1003451042).

2006902078 is a wasteful number, since it uses less digits than its factorization.

2006902078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003451041.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2006902078 is about 44798.4606655184. The cubic root of 2006902078 is about 1261.3687313947.

The spelling of 2006902078 in words is "two billion, six million, nine hundred two thousand, seventy-eight".