10998777673 has 8 divisors (see below), whose sum is σ = 11845918728. Its totient is φ = 10151791104.

The previous prime is 10998777667. The next prime is 10998777697. The reversal of 10998777673 is 37677789901.

It can be written as a sum of positive squares in 4 ways, for example, as 2854978624 + 8143799049 = 53432^2 + 90243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10998777673 - 2⁵ = 10998777641 is a prime.

It is a super-2 number, since 2×10998777673² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10998777613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139815 + ... + 203827.

It is an arithmetic number, because the mean of its divisors is an integer number (1480739841).

Almost surely, 2^10998777673 is an apocalyptic number.

10998777673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10998777673 is a deficient number, since it is larger than the sum of its proper divisors (847141055).

10998777673 is a wasteful number, since it uses less digits than its factorization.

10998777673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77243.

The product of its (nonzero) digits is 28005264, while the sum is 64.

The spelling of 10998777673 in words is "ten billion, nine hundred ninety-eight million, seven hundred seventy-seven thousand, six hundred seventy-three".