769048477 has 4 divisors (see below), whose sum is σ = 795567420. Its totient is φ = 742529536.

The previous prime is 769048463. The next prime is 769048513. The reversal of 769048477 is 774840967.

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 264192516 + 504855961 = 16254^2 + 22469^2 .

It is a cyclic number.

It is not a de Polignac number, because 769048477 - 2⁷ = 769048349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769048417) 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, 13259428 + ... + 13259485.

It is an arithmetic number, because the mean of its divisors is an integer number (198891855).

Almost surely, 2^769048477 is an apocalyptic number.

It is an amenable number.

769048477 is a deficient number, since it is larger than the sum of its proper divisors (26518943).

769048477 is a wasteful number, since it uses less digits than its factorization.

769048477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26518942.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 769048477 is about 27731.7232966147. The cubic root of 769048477 is about 916.1879429291.

The spelling of 769048477 in words is "seven hundred sixty-nine million, forty-eight thousand, four hundred seventy-seven".