2455456779 has 6 divisors (see below), whose sum is σ = 3546770916. Its totient is φ = 1636971180.

The previous prime is 2455456777. The next prime is 2455456781. The reversal of 2455456779 is 9776545542.

It is a happy number.

2455456779 is a `hidden beast` number, since 2 + 4 + 5 + 5 + 4 + 567 + 79 = 666.

It is an interprime number because it is at equal distance from previous prime (2455456777) and next prime (2455456781).

It is not a de Polignac number, because 2455456779 - 2¹ = 2455456777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2455456771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136414257 + ... + 136414274.

It is an arithmetic number, because the mean of its divisors is an integer number (591128486).

Almost surely, 2^2455456779 is an apocalyptic number.

2455456779 is a deficient number, since it is larger than the sum of its proper divisors (1091314137).

2455456779 is a wasteful number, since it uses less digits than its factorization.

2455456779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272828537 (or 272828534 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The square root of 2455456779 is about 49552.5658165145. The cubic root of 2455456779 is about 1349.0998625015.

The spelling of 2455456779 in words is "two billion, four hundred fifty-five million, four hundred fifty-six thousand, seven hundred seventy-nine".