799154451997 has 16 divisors (see below), whose sum is σ = 922522245120. Its totient is φ = 685129337200.

The previous prime is 799154451941. The next prime is 799154452013.

799154451997 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 799154451997 - 2⁷ = 799154451869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799154451097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22226497 + ... + 22262422.

It is an arithmetic number, because the mean of its divisors is an integer number (57657640320).

Almost surely, 2^799154451997 is an apocalyptic number.

It is an amenable number.

799154451997 is a deficient number, since it is larger than the sum of its proper divisors (123367793123).

799154451997 is a wasteful number, since it uses less digits than its factorization.

799154451997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44489024.

The product of its digits is 128595600, while the sum is 70.

The spelling of 799154451997 in words is "seven hundred ninety-nine billion, one hundred fifty-four million, four hundred fifty-one thousand, nine hundred ninety-seven".