787222552045 has 4 divisors (see below), whose sum is σ = 944667062460. Its totient is φ = 629778041632.

The previous prime is 787222552033. The next prime is 787222552069. The reversal of 787222552045 is 540255222787.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 364491120361 + 422731431684 = 603731^2 + 650178^2 .

It is a cyclic number.

It is not a de Polignac number, because 787222552045 - 2⁵ = 787222552013 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 787222552045.

It is a congruent number.

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, 78722255200 + ... + 78722255209.

It is an arithmetic number, because the mean of its divisors is an integer number (236166765615).

Almost surely, 2^787222552045 is an apocalyptic number.

It is an amenable number.

787222552045 is a deficient number, since it is larger than the sum of its proper divisors (157444510415).

787222552045 is a wasteful number, since it uses less digits than its factorization.

787222552045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157444510414.

The product of its (nonzero) digits is 3136000, while the sum is 49.

The spelling of 787222552045 in words is "seven hundred eighty-seven billion, two hundred twenty-two million, five hundred fifty-two thousand, forty-five".