214778237772 has 24 divisors (see below), whose sum is σ = 572741967616. Its totient is φ = 61365210768.

The previous prime is 214778237771. The next prime is 214778237783. The reversal of 214778237772 is 277732877412.

It is a super-2 number, since 2×214778237772² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214778237771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278441808 + ... + 1278441975.

Almost surely, 2^214778237772 is an apocalyptic number.

It is an amenable number.

214778237772 is an abundant number, since it is smaller than the sum of its proper divisors (357963729844).

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

214778237772 is a wasteful number, since it uses less digits than its factorization.

214778237772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556883797 (or 2556883795 counting only the distinct ones).

The product of its digits is 12907776, while the sum is 57.

The spelling of 214778237772 in words is "two hundred fourteen billion, seven hundred seventy-eight million, two hundred thirty-seven thousand, seven hundred seventy-two".