776461 has 4 divisors (see below), whose sum is σ = 887392. Its totient is φ = 665532.

The previous prime is 776453. The next prime is 776467. The reversal of 776461 is 164677.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 776461 - 2³ = 776453 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 (776467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55455 + ... + 55468.

It is an arithmetic number, because the mean of its divisors is an integer number (221848).

2⁷⁷⁶⁴⁶¹ is an apocalyptic number.

It is an amenable number.

776461 is a deficient number, since it is larger than the sum of its proper divisors (110931).

776461 is a wasteful number, since it uses less digits than its factorization.

776461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110930.

The product of its digits is 7056, while the sum is 31.

The square root of 776461 is about 881.1702446179. The cubic root of 776461 is about 91.9122114679.

The spelling of 776461 in words is "seven hundred seventy-six thousand, four hundred sixty-one".