771034149 has 12 divisors (see below), whose sum is σ = 1114389900. Its totient is φ = 513711744.

The previous prime is 771034141. The next prime is 771034171. The reversal of 771034149 is 941430177.

771034149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 488189025 + 282845124 = 22095^2 + 16818^2 .

It is not a de Polignac number, because 771034149 - 2³ = 771034141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771034141) 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, 9684 + ... + 40445.

It is an arithmetic number, because the mean of its divisors is an integer number (92865825).

Almost surely, 2^771034149 is an apocalyptic number.

It is an amenable number.

771034149 is a deficient number, since it is larger than the sum of its proper divisors (343355751).

771034149 is a wasteful number, since it uses less digits than its factorization.

771034149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51844 (or 51841 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 771034149 is about 27767.5016701179. The cubic root of 771034149 is about 916.9757932331.

The spelling of 771034149 in words is "seven hundred seventy-one million, thirty-four thousand, one hundred forty-nine".