2147777412 has 48 divisors (see below), whose sum is σ = 5473558272. Its totient is φ = 650069280.

The previous prime is 2147777407. The next prime is 2147777417.

2147777412 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (2147777407) and next prime (2147777417).

It is a super-2 number, since 2×2147777412² = 9225895622994835488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147777417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107343 + ... + 125769.

It is an arithmetic number, because the mean of its divisors is an integer number (114032464).

Almost surely, 2^2147777412 is an apocalyptic number.

2147777412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2147777412 is an abundant number, since it is smaller than the sum of its proper divisors (3325780860).

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

2147777412 is a wasteful number, since it uses less digits than its factorization.

2147777412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19328 (or 19326 counting only the distinct ones).

The product of its digits is 153664, while the sum is 42.

The square root of 2147777412 is about 46344.1194975155. The cubic root of 2147777412 is about 1290.2179813119.

It can be divided in two parts, 21477 and 77412, that added together give a palindrome (98889).

The spelling of 2147777412 in words is "two billion, one hundred forty-seven million, seven hundred seventy-seven thousand, four hundred twelve".