776946255 has 16 divisors (see below), whose sum is σ = 1260624384. Its totient is φ = 408534560.

The previous prime is 776946251. The next prime is 776946259. The reversal of 776946255 is 552649677.

It is an interprime number because it is at equal distance from previous prime (776946251) and next prime (776946259).

It is not a de Polignac number, because 776946255 - 2² = 776946251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 776946198 and 776946207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776946251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363699 + ... + 365828.

It is an arithmetic number, because the mean of its divisors is an integer number (78789024).

Almost surely, 2^776946255 is an apocalyptic number.

776946255 is a deficient number, since it is larger than the sum of its proper divisors (483678129).

776946255 is a wasteful number, since it uses less digits than its factorization.

776946255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729606.

The product of its digits is 3175200, while the sum is 51.

The square root of 776946255 is about 27873.7556672939. The cubic root of 776946255 is about 919.3135455092.

The spelling of 776946255 in words is "seven hundred seventy-six million, nine hundred forty-six thousand, two hundred fifty-five".