776531045 has 8 divisors (see below), whose sum is σ = 980881440. Its totient is φ = 588528720.

The previous prime is 776531029. The next prime is 776531069. The reversal of 776531045 is 540135677.

776531045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 776531045 - 2⁴ = 776531029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4086911 + ... + 4087100.

It is an arithmetic number, because the mean of its divisors is an integer number (122610180).

Almost surely, 2^776531045 is an apocalyptic number.

It is an amenable number.

776531045 is a deficient number, since it is larger than the sum of its proper divisors (204350395).

776531045 is a wasteful number, since it uses less digits than its factorization.

776531045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174035.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 776531045 is about 27866.3066264620. The cubic root of 776531045 is about 919.1497520286.

The spelling of 776531045 in words is "seven hundred seventy-six million, five hundred thirty-one thousand, forty-five".