799969997 has 8 divisors (see below), whose sum is σ = 811586880. Its totient is φ = 788427360.

The previous prime is 799969987. The next prime is 799969999.

799969997 is nontrivially palindromic in base 10.

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 799969997 - 2⁸ = 799969741 is a prime.

It is a super-2 number, since 2×799969997² = 1279903992200360018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799969999) 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, 3329 + ... + 40137.

It is an arithmetic number, because the mean of its divisors is an integer number (101448360).

Almost surely, 2^799969997 is an apocalyptic number.

It is an amenable number.

799969997 is a deficient number, since it is larger than the sum of its proper divisors (11616883).

799969997 is a wasteful number, since it uses less digits than its factorization.

799969997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37123.

The product of its digits is 156243654, while the sum is 74.

The square root of 799969997 is about 28283.7408593701. The cubic root of 799969997 is about 928.3061614450.

The spelling of 799969997 in words is "seven hundred ninety-nine million, nine hundred sixty-nine thousand, nine hundred ninety-seven".