1416978888 has 32 divisors (see below), whose sum is σ = 3814944000. Its totient is φ = 435993408.

The previous prime is 1416978881. The next prime is 1416978911. The reversal of 1416978888 is 8888796141.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1416978881) 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, 2270488 + ... + 2271111.

It is an arithmetic number, because the mean of its divisors is an integer number (119217000).

Almost surely, 2^1416978888 is an apocalyptic number.

It is an amenable number.

1416978888 is an abundant number, since it is smaller than the sum of its proper divisors (2397965112).

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

1416978888 is a wasteful number, since it uses less digits than its factorization.

1416978888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541621 (or 4541617 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 60.

The square root of 1416978888 is about 37642.7800248600. The cubic root of 1416978888 is about 1123.1931854340.

The spelling of 1416978888 in words is "one billion, four hundred sixteen million, nine hundred seventy-eight thousand, eight hundred eighty-eight".