1479197887 has 2 divisors, whose sum is σ = 1479197888. Its totient is φ = 1479197886.

The previous prime is 1479197879. The next prime is 1479197903. The reversal of 1479197887 is 7887919741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1479197887 - 2³ = 1479197879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1479197857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739598943 + 739598944.

It is an arithmetic number, because the mean of its divisors is an integer number (739598944).

Almost surely, 2^1479197887 is an apocalyptic number.

1479197887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1479197887 is an equidigital number, since it uses as much as digits as its factorization.

1479197887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7112448, while the sum is 61.

The square root of 1479197887 is about 38460.3417431515. The cubic root of 1479197887 is about 1139.3979294927.

The spelling of 1479197887 in words is "one billion, four hundred seventy-nine million, one hundred ninety-seven thousand, eight hundred eighty-seven".