14947887700 has 18 divisors (see below), whose sum is σ = 32436916526. Its totient is φ = 5979155040.

The previous prime is 14947887683. The next prime is 14947887709. The reversal of 14947887700 is 778874941.

It can be written as a sum of positive squares in 3 ways, for example, as 3224195524 + 11723692176 = 56782^2 + 108276^2 .

It is a super-2 number, since 2×14947887700² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14947887709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74739339 + ... + 74739538.

Almost surely, 2^14947887700 is an apocalyptic number.

14947887700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14947887700 is an abundant number, since it is smaller than the sum of its proper divisors (17489028826).

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

14947887700 is a wasteful number, since it uses less digits than its factorization.

14947887700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149478891 (or 149478884 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 14947887700 in words is "fourteen billion, nine hundred forty-seven million, eight hundred eighty-seven thousand, seven hundred".