10777749842 has 4 divisors (see below), whose sum is σ = 16166624766. Its totient is φ = 5388874920.

The previous prime is 10777749841. The next prime is 10777749907. The reversal of 10777749842 is 24894777701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24894777701 = 131 ⋅190036471.

It can be written as a sum of positive squares in only one way, i.e., 10243261681 + 534488161 = 101209^2 + 23119^2 .

It is not an unprimeable number, because it can be changed into a prime (10777749841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2694437459 + ... + 2694437462.

Almost surely, 2^10777749842 is an apocalyptic number.

10777749842 is a deficient number, since it is larger than the sum of its proper divisors (5388874924).

10777749842 is an equidigital number, since it uses as much as digits as its factorization.

10777749842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388874923.

The product of its (nonzero) digits is 5531904, while the sum is 56.

The spelling of 10777749842 in words is "ten billion, seven hundred seventy-seven million, seven hundred forty-nine thousand, eight hundred forty-two".