1308766680 has 384 divisors, whose sum is σ = 4904625600. Its totient is φ = 308551680.

The previous prime is 1308766673. The next prime is 1308766687. The reversal of 1308766680 is 866678031.

It is an interprime number because it is at equal distance from previous prime (1308766673) and next prime (1308766687).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308766687) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13492392 + ... + 13492488.

Almost surely, 2^1308766680 is an apocalyptic number.

1308766680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308766680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2452312800).

1308766680 is an abundant number, since it is smaller than the sum of its proper divisors (3595858920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1308766680 is a wasteful number, since it uses less digits than its factorization.

1308766680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1308766680 is about 36176.8804625274. The cubic root of 1308766680 is about 1093.8406946072.

The spelling of 1308766680 in words is "one billion, three hundred eight million, seven hundred sixty-six thousand, six hundred eighty".