770555047 has 4 divisors (see below), whose sum is σ = 770628600. Its totient is φ = 770481496.

The previous prime is 770555029. The next prime is 770555057. The reversal of 770555047 is 740555077.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 770555047 - 2¹⁵ = 770522279 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 (770555057) 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, 17797 + ... + 43102.

It is an arithmetic number, because the mean of its divisors is an integer number (192657150).

Almost surely, 2^770555047 is an apocalyptic number.

770555047 is a deficient number, since it is larger than the sum of its proper divisors (73553).

770555047 is a wasteful number, since it uses less digits than its factorization.

770555047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73552.

The product of its (nonzero) digits is 171500, while the sum is 40.

The square root of 770555047 is about 27758.8733020633. The cubic root of 770555047 is about 916.7858250094.

The spelling of 770555047 in words is "seven hundred seventy million, five hundred fifty-five thousand, forty-seven".