1587170479 has 2 divisors, whose sum is σ = 1587170480. Its totient is φ = 1587170478.

The previous prime is 1587170467. The next prime is 1587170503. The reversal of 1587170479 is 9740717851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1587170479 - 2⁵ = 1587170447 is a prime.

It is a super-2 number, since 2×1587170479² = 5038220258818178882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1587170419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 793585239 + 793585240.

It is an arithmetic number, because the mean of its divisors is an integer number (793585240).

Almost surely, 2^1587170479 is an apocalyptic number.

1587170479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1587170479 is an equidigital number, since it uses as much as digits as its factorization.

1587170479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 49.

The square root of 1587170479 is about 39839.3082143754. The cubic root of 1587170479 is about 1166.4725566672.

The spelling of 1587170479 in words is "one billion, five hundred eighty-seven million, one hundred seventy thousand, four hundred seventy-nine".