1308879887 has 8 divisors (see below), whose sum is σ = 1500675072. Its totient is φ = 1118287800.

The previous prime is 1308879877. The next prime is 1308879893. The reversal of 1308879887 is 7889788031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1308879887 - 2²⁰ = 1307831311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308879877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298439 + ... + 302792.

It is an arithmetic number, because the mean of its divisors is an integer number (187584384).

Almost surely, 2^1308879887 is an apocalyptic number.

1308879887 is a deficient number, since it is larger than the sum of its proper divisors (191795185).

1308879887 is an equidigital number, since it uses as much as digits as its factorization.

1308879887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601549.

The product of its (nonzero) digits is 5419008, while the sum is 59.

The square root of 1308879887 is about 36178.4450605606. The cubic root of 1308879887 is about 1093.8722324041.

The spelling of 1308879887 in words is "one billion, three hundred eight million, eight hundred seventy-nine thousand, eight hundred eighty-seven".