799537749 has 16 divisors (see below), whose sum is σ = 1081555200. Its totient is φ = 525298176.

The previous prime is 799537723. The next prime is 799537751. The reversal of 799537749 is 947735997.

It is a happy number.

It is not a de Polignac number, because 799537749 - 2⁸ = 799537493 is a prime.

It is a super-3 number, since 3×799537749³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 799537692 and 799537701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799537649) 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, 137697 + ... + 143385.

It is an arithmetic number, because the mean of its divisors is an integer number (67597200).

Almost surely, 2^799537749 is an apocalyptic number.

799537749 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

799537749 is a deficient number, since it is larger than the sum of its proper divisors (282017451).

799537749 is a wasteful number, since it uses less digits than its factorization.

799537749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364.

The product of its digits is 15002820, while the sum is 60.

The square root of 799537749 is about 28276.0985462988. The cubic root of 799537749 is about 928.1389340175.

The spelling of 799537749 in words is "seven hundred ninety-nine million, five hundred thirty-seven thousand, seven hundred forty-nine".