279483712247 has 4 divisors (see below), whose sum is σ = 279614865816. Its totient is φ = 279352558680.

The previous prime is 279483712241. The next prime is 279483712267. The reversal of 279483712247 is 742217384972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 279483712247 - 2¹⁶ = 279483646711 is a prime.

It is a super-2 number, since 2×279483712247² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 279483712192 and 279483712201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (279483712241) 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, 65573588 + ... + 65577849.

It is an arithmetic number, because the mean of its divisors is an integer number (69903716454).

Almost surely, 2^279483712247 is an apocalyptic number.

279483712247 is a deficient number, since it is larger than the sum of its proper divisors (131153569).

279483712247 is a wasteful number, since it uses less digits than its factorization.

279483712247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131153568.

The product of its digits is 9483264, while the sum is 56.

The spelling of 279483712247 in words is "two hundred seventy-nine billion, four hundred eighty-three million, seven hundred twelve thousand, two hundred forty-seven".