771152113 has 8 divisors (see below), whose sum is σ = 838582632. Its totient is φ = 706173696.

The previous prime is 771152099. The next prime is 771152117. The reversal of 771152113 is 311251177.

It can be written as a sum of positive squares in 4 ways, for example, as 137522529 + 633629584 = 11727^2 + 25172^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 771152113 - 2²¹ = 769054961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (771152117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612370 + ... + 613627.

It is an arithmetic number, because the mean of its divisors is an integer number (104822829).

Almost surely, 2^771152113 is an apocalyptic number.

It is an amenable number.

771152113 is a deficient number, since it is larger than the sum of its proper divisors (67430519).

771152113 is a wasteful number, since it uses less digits than its factorization.

771152113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226051.

The product of its digits is 1470, while the sum is 28.

The square root of 771152113 is about 27769.6257266820. The cubic root of 771152113 is about 917.0225549391.

The spelling of 771152113 in words is "seven hundred seventy-one million, one hundred fifty-two thousand, one hundred thirteen".