7013479987 has 2 divisors, whose sum is σ = 7013479988. Its totient is φ = 7013479986.

The previous prime is 7013479943. The next prime is 7013480053. The reversal of 7013479987 is 7899743107.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7013479987 is a prime.

It is not a weakly prime, because it can be changed into another prime (7013479927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3506739993 + 3506739994.

It is an arithmetic number, because the mean of its divisors is an integer number (3506739994).

Almost surely, 2^7013479987 is an apocalyptic number.

7013479987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7013479987 is an equidigital number, since it uses as much as digits as its factorization.

7013479987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The square root of 7013479987 is about 83746.5222382398. The cubic root of 7013479987 is about 1914.1583138598.

The spelling of 7013479987 in words is "seven billion, thirteen million, four hundred seventy-nine thousand, nine hundred eighty-seven".