799405971 has 16 divisors (see below), whose sum is σ = 1311846144. Its totient is φ = 421664544.

The previous prime is 799405933. The next prime is 799405973. The reversal of 799405971 is 179504997.

799405971 = T₄₁₄₆ + T₄₁₄₇ + ... + T₄₂₃₆.

It is a happy number.

It is not a de Polignac number, because 799405971 - 2⁹ = 799405459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (799405973) 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, 1463841 + ... + 1464386.

It is an arithmetic number, because the mean of its divisors is an integer number (81990384).

Almost surely, 2^799405971 is an apocalyptic number.

799405971 is a deficient number, since it is larger than the sum of its proper divisors (512440173).

799405971 is a wasteful number, since it uses less digits than its factorization.

799405971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928250.

The product of its (nonzero) digits is 714420, while the sum is 51.

The square root of 799405971 is about 28273.7682490325. The cubic root of 799405971 is about 928.0879399638.

The spelling of 799405971 in words is "seven hundred ninety-nine million, four hundred five thousand, nine hundred seventy-one".