1047235879 has 2 divisors, whose sum is σ = 1047235880. Its totient is φ = 1047235878.

The previous prime is 1047235873. The next prime is 1047235883. The reversal of 1047235879 is 9785327401.

It is a strong prime.

It is an emirp because it is prime and its reverse (9785327401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1047235879 - 2²¹ = 1045138727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047235873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523617939 + 523617940.

It is an arithmetic number, because the mean of its divisors is an integer number (523617940).

Almost surely, 2^1047235879 is an apocalyptic number.

1047235879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047235879 is an equidigital number, since it uses as much as digits as its factorization.

1047235879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 1047235879 is about 32361.0240721767. The cubic root of 1047235879 is about 1015.5036865265.

The spelling of 1047235879 in words is "one billion, forty-seven million, two hundred thirty-five thousand, eight hundred seventy-nine".