2076890978 has 8 divisors (see below), whose sum is σ = 3168138960. Its totient is φ = 1020844660.

The previous prime is 2076890947. The next prime is 2076890983. The reversal of 2076890978 is 8790986702.

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

It is a super-2 number, since 2×2076890978² = 8626952268995592968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8800268 + ... + 8800503.

It is an arithmetic number, because the mean of its divisors is an integer number (396017370).

Almost surely, 2^2076890978 is an apocalyptic number.

2076890978 is a deficient number, since it is larger than the sum of its proper divisors (1091247982).

2076890978 is a wasteful number, since it uses less digits than its factorization.

2076890978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17600832.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The square root of 2076890978 is about 45572.9193491047. The cubic root of 2076890978 is about 1275.8645379367.

The spelling of 2076890978 in words is "two billion, seventy-six million, eight hundred ninety thousand, nine hundred seventy-eight".