776749413 has 16 divisors (see below), whose sum is σ = 1136356416. Its totient is φ = 468032640.

The previous prime is 776749411. The next prime is 776749481. The reversal of 776749413 is 314947677.

It is not a de Polignac number, because 776749413 - 2¹ = 776749411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776749411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62320 + ... + 73737.

It is an arithmetic number, because the mean of its divisors is an integer number (71022276).

Almost surely, 2^776749413 is an apocalyptic number.

It is an amenable number.

776749413 is a deficient number, since it is larger than the sum of its proper divisors (359607003).

776749413 is a wasteful number, since it uses less digits than its factorization.

776749413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136244.

The product of its digits is 889056, while the sum is 48.

The square root of 776749413 is about 27870.2244877934. The cubic root of 776749413 is about 919.2359018712.

The spelling of 776749413 in words is "seven hundred seventy-six million, seven hundred forty-nine thousand, four hundred thirteen".