769948563 has 4 divisors (see below), whose sum is σ = 1026598088. Its totient is φ = 513299040.

The previous prime is 769948541. The next prime is 769948601. The reversal of 769948563 is 365849967.

It is a happy number.

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

It is not a de Polignac number, because 769948563 - 2⁹ = 769948051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (769948063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128324758 + ... + 128324763.

It is an arithmetic number, because the mean of its divisors is an integer number (256649522).

Almost surely, 2^769948563 is an apocalyptic number.

769948563 is a deficient number, since it is larger than the sum of its proper divisors (256649525).

769948563 is a wasteful number, since it uses less digits than its factorization.

769948563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256649524.

The product of its digits is 9797760, while the sum is 57.

The square root of 769948563 is about 27747.9470051390. The cubic root of 769948563 is about 916.5452357201.

The spelling of 769948563 in words is "seven hundred sixty-nine million, nine hundred forty-eight thousand, five hundred sixty-three".