799982139 has 16 divisors (see below), whose sum is σ = 1203736320. Its totient is φ = 468118560.

The previous prime is 799982129. The next prime is 799982149. The reversal of 799982139 is 931289997.

It is an interprime number because it is at equal distance from previous prime (799982129) and next prime (799982149).

It is not a de Polignac number, because 799982139 - 2⁷ = 799982011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (799982129) 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, 417007 + ... + 418920.

It is an arithmetic number, because the mean of its divisors is an integer number (75233520).

Almost surely, 2^799982139 is an apocalyptic number.

799982139 is a deficient number, since it is larger than the sum of its proper divisors (403754181).

799982139 is a wasteful number, since it uses less digits than its factorization.

799982139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835970.

The product of its digits is 2204496, while the sum is 57.

The square root of 799982139 is about 28283.9555048441. The cubic root of 799982139 is about 928.3108580530.

The spelling of 799982139 in words is "seven hundred ninety-nine million, nine hundred eighty-two thousand, one hundred thirty-nine".