770400541 has 4 divisors (see below), whose sum is σ = 772466332. Its totient is φ = 768334752.

The previous prime is 770400539. The next prime is 770400563. The reversal of 770400541 is 145004077.

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 425555641 + 344844900 = 20629^2 + 18570^2 .

It is a cyclic number.

It is not a de Polignac number, because 770400541 - 2¹ = 770400539 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 (770400041) 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 3 ways as a sum of consecutive naturals, for example, 1032336 + ... + 1033081.

It is an arithmetic number, because the mean of its divisors is an integer number (193116583).

Almost surely, 2^770400541 is an apocalyptic number.

It is an amenable number.

770400541 is a deficient number, since it is larger than the sum of its proper divisors (2065791).

770400541 is a wasteful number, since it uses less digits than its factorization.

770400541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065790.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 770400541 is about 27756.0901605395. The cubic root of 770400541 is about 916.7245452086.

The spelling of 770400541 in words is "seven hundred seventy million, four hundred thousand, five hundred forty-one".