769555223091 has 12 divisors (see below), whose sum is σ = 1112283764280. Its totient is φ = 512711893440.

The previous prime is 769555223071. The next prime is 769555223131. The reversal of 769555223091 is 190322555967.

769555223091 is a `hidden beast` number, since 7 + 69 + 5 + 552 + 23 + 0 + 9 + 1 = 666.

It is not a de Polignac number, because 769555223091 - 2⁶ = 769555223027 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (769555223071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27061830 + ... + 27090251.

It is an arithmetic number, because the mean of its divisors is an integer number (92690313690).

Almost surely, 2^769555223091 is an apocalyptic number.

769555223091 is a deficient number, since it is larger than the sum of its proper divisors (342728541189).

769555223091 is a wasteful number, since it uses less digits than its factorization.

769555223091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54153666 (or 54153663 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 54.

The spelling of 769555223091 in words is "seven hundred sixty-nine billion, five hundred fifty-five million, two hundred twenty-three thousand, ninety-one".