799699990 has 16 divisors (see below), whose sum is σ = 1440942048. Its totient is φ = 319550656.

The previous prime is 799699933. The next prime is 799699997. The reversal of 799699990 is 99996997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799699997) 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, 30847 + ... + 50506.

It is an arithmetic number, because the mean of its divisors is an integer number (90058878).

Almost surely, 2^799699990 is an apocalyptic number.

799699990 is a deficient number, since it is larger than the sum of its proper divisors (641242058).

799699990 is a wasteful number, since it uses less digits than its factorization.

799699990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82343.

The product of its (nonzero) digits is 22320522, while the sum is 67.

The square root of 799699990 is about 28278.9672725155. The cubic root of 799699990 is about 928.2017086248.

The spelling of 799699990 in words is "seven hundred ninety-nine million, six hundred ninety-nine thousand, nine hundred ninety".