776930161 has 8 divisors (see below), whose sum is σ = 899160320. Its totient is φ = 657510048.

The previous prime is 776930137. The next prime is 776930177. The reversal of 776930161 is 161039677.

It is a happy number.

776930161 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 776930161 - 2²¹ = 774833009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (776930101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701916 + ... + 703021.

It is an arithmetic number, because the mean of its divisors is an integer number (112395040).

Almost surely, 2^776930161 is an apocalyptic number.

It is an amenable number.

776930161 is a deficient number, since it is larger than the sum of its proper divisors (122230159).

776930161 is a wasteful number, since it uses less digits than its factorization.

776930161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405023.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 776930161 is about 27873.4669712973. The cubic root of 776930161 is about 919.3071977795.

The spelling of 776930161 in words is "seven hundred seventy-six million, nine hundred thirty thousand, one hundred sixty-one".