2990690879 has 8 divisors (see below), whose sum is σ = 3292505040. Its totient is φ = 2693865600.

The previous prime is 2990690873. The next prime is 2990690891. The reversal of 2990690879 is 9780960992.

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

It is a cyclic number.

It is not a de Polignac number, because 2990690879 - 2⁸ = 2990690623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990690873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245962 + ... + 1248359.

It is an arithmetic number, because the mean of its divisors is an integer number (411563130).

Almost surely, 2^2990690879 is an apocalyptic number.

2990690879 is a deficient number, since it is larger than the sum of its proper divisors (301814161).

2990690879 is a wasteful number, since it uses less digits than its factorization.

2990690879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494441.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The square root of 2990690879 is about 54687.2094643711. The cubic root of 2990690879 is about 1440.7562384218.

The spelling of 2990690879 in words is "two billion, nine hundred ninety million, six hundred ninety thousand, eight hundred seventy-nine".