14977777512 has 128 divisors (see below), whose sum is σ = 40205168640. Its totient is φ = 4633251840.

The previous prime is 14977777483. The next prime is 14977777517. The reversal of 14977777512 is 21577777941.

It is not an unprimeable number, because it can be changed into a prime (14977777517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9377898 + ... + 9379494.

It is an arithmetic number, because the mean of its divisors is an integer number (314102880).

Almost surely, 2^14977777512 is an apocalyptic number.

14977777512 is a gapful number since it is divisible by the number (12) 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 14977777512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20102584320).

14977777512 is an abundant number, since it is smaller than the sum of its proper divisors (25227391128).

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

14977777512 is a wasteful number, since it uses less digits than its factorization.

14977777512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931 (or 1927 counting only the distinct ones).

The product of its digits is 6050520, while the sum is 57.

The spelling of 14977777512 in words is "fourteen billion, nine hundred seventy-seven million, seven hundred seventy-seven thousand, five hundred twelve".