12477783106 has 8 divisors (see below), whose sum is σ = 18717623100. Its totient is φ = 6238575408.

The previous prime is 12477783077. The next prime is 12477783119. The reversal of 12477783106 is 60138777421.

It can be written as a sum of positive squares in 2 ways, for example, as 10775478025 + 1702305081 = 103805^2 + 41259^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105201 + ... + 189796.

Almost surely, 2^12477783106 is an apocalyptic number.

12477783106 is a deficient number, since it is larger than the sum of its proper divisors (6239839994).

12477783106 is a wasteful number, since it uses less digits than its factorization.

12477783106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316148.

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 12477783106 in words is "twelve billion, four hundred seventy-seven million, seven hundred eighty-three thousand, one hundred six".