769222987 has 8 divisors (see below), whose sum is σ = 877123296. Its totient is φ = 668284032.

The previous prime is 769222981. The next prime is 769222991. The reversal of 769222987 is 789222967.

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

It is not a de Polignac number, because 769222987 - 2¹¹ = 769220939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (769222981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740103 + ... + 1740544.

It is an arithmetic number, because the mean of its divisors is an integer number (109640412).

Almost surely, 2^769222987 is an apocalyptic number.

769222987 is a deficient number, since it is larger than the sum of its proper divisors (107900309).

769222987 is a wasteful number, since it uses less digits than its factorization.

769222987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480677.

The product of its digits is 1524096, while the sum is 52.

The square root of 769222987 is about 27734.8695147462. The cubic root of 769222987 is about 916.2572371591.

The spelling of 769222987 in words is "seven hundred sixty-nine million, two hundred twenty-two thousand, nine hundred eighty-seven".