799051431 has 4 divisors (see below), whose sum is σ = 1065401912. Its totient is φ = 532700952.

The previous prime is 799051411. The next prime is 799051457. The reversal of 799051431 is 134150997.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134150997 = 3 ⋅44716999.

It is not a de Polignac number, because 799051431 - 2¹³ = 799043239 is a prime.

It is a super-2 number, since 2×799051431² = 1276966378766295522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 799051431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799051411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133175236 + ... + 133175241.

It is an arithmetic number, because the mean of its divisors is an integer number (266350478).

Almost surely, 2^799051431 is an apocalyptic number.

799051431 is a deficient number, since it is larger than the sum of its proper divisors (266350481).

799051431 is a wasteful number, since it uses less digits than its factorization.

799051431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266350480.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 799051431 is about 28267.4977845582. The cubic root of 799051431 is about 927.9507160057.

The spelling of 799051431 in words is "seven hundred ninety-nine million, fifty-one thousand, four hundred thirty-one".