773232281138 has 16 divisors (see below), whose sum is σ = 1167399356640. Its totient is φ = 384100932096.

The previous prime is 773232281137. The next prime is 773232281191. The reversal of 773232281138 is 831182232377.

It is a junction number, because it is equal to n+sod(n) for n = 773232281092 and 773232281101.

It is not an unprimeable number, because it can be changed into a prime (773232281137) 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, 435581 + ... + 1317647.

It is an arithmetic number, because the mean of its divisors is an integer number (72962459790).

Almost surely, 2^773232281138 is an apocalyptic number.

773232281138 is a deficient number, since it is larger than the sum of its proper divisors (394167075502).

773232281138 is a wasteful number, since it uses less digits than its factorization.

773232281138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884921.

The product of its digits is 677376, while the sum is 47.

The spelling of 773232281138 in words is "seven hundred seventy-three billion, two hundred thirty-two million, two hundred eighty-one thousand, one hundred thirty-eight".