243077677120 has 28 divisors (see below), whose sum is σ = 578828719404. Its totient is φ = 97231070720.

The previous prime is 243077677103. The next prime is 243077677123. The reversal of 243077677120 is 21776770342.

It can be written as a sum of positive squares in 2 ways, for example, as 104050114624 + 139027562496 = 322568^2 + 372864^2 .

It is a super-2 number, since 2×243077677120² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243077677123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379808551 + ... + 379809190.

Almost surely, 2^243077677120 is an apocalyptic number.

243077677120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243077677120 is an abundant number, since it is smaller than the sum of its proper divisors (335751042284).

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

243077677120 is an equidigital number, since it uses as much as digits as its factorization.

243077677120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759617758 (or 759617748 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 243077677120 in words is "two hundred forty-three billion, seventy-seven million, six hundred seventy-seven thousand, one hundred twenty".