770561049 has 16 divisors (see below), whose sum is σ = 1032929024. Its totient is φ = 510958800.

The previous prime is 770561047. The next prime is 770561053. The reversal of 770561049 is 940165077.

It is not a de Polignac number, because 770561049 - 2¹ = 770561047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 770560998 and 770561016.

It is not an unprimeable number, because it can be changed into a prime (770561047) 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 15 ways as a sum of consecutive naturals, for example, 685602 + ... + 686724.

It is an arithmetic number, because the mean of its divisors is an integer number (64558064).

Almost surely, 2^770561049 is an apocalyptic number.

It is an amenable number.

770561049 is a deficient number, since it is larger than the sum of its proper divisors (262367975).

770561049 is a wasteful number, since it uses less digits than its factorization.

770561049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 770561049 is about 27758.9814114279. The cubic root of 770561049 is about 916.7882053430.

The spelling of 770561049 in words is "seven hundred seventy million, five hundred sixty-one thousand, forty-nine".