2455667477 has 4 divisors (see below), whose sum is σ = 2456805996. Its totient is φ = 2454528960.

The previous prime is 2455667453. The next prime is 2455667491. The reversal of 2455667477 is 7747665542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2198578321 + 257089156 = 46889^2 + 16034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2455667477 - 2²² = 2451473173 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 (2455667437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566018 + ... + 570339.

It is an arithmetic number, because the mean of its divisors is an integer number (614201499).

Almost surely, 2^2455667477 is an apocalyptic number.

It is an amenable number.

2455667477 is a deficient number, since it is larger than the sum of its proper divisors (1138519).

2455667477 is a wasteful number, since it uses less digits than its factorization.

2455667477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138518.

The product of its digits is 9878400, while the sum is 53.

The square root of 2455667477 is about 49554.6917758551. The cubic root of 2455667477 is about 1349.1384492817.

The spelling of 2455667477 in words is "two billion, four hundred fifty-five million, six hundred sixty-seven thousand, four hundred seventy-seven".