2772478567 has 4 divisors (see below), whose sum is σ = 2781336640. Its totient is φ = 2763620496.

The previous prime is 2772478531. The next prime is 2772478603. The reversal of 2772478567 is 7658742772.

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

It is an interprime number because it is at equal distance from previous prime (2772478531) and next prime (2772478603).

It is a cyclic number.

It is not a de Polignac number, because 2772478567 - 2¹¹ = 2772476519 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 (2772478067) 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, 4428567 + ... + 4429192.

It is an arithmetic number, because the mean of its divisors is an integer number (695334160).

Almost surely, 2^2772478567 is an apocalyptic number.

2772478567 is a deficient number, since it is larger than the sum of its proper divisors (8858073).

2772478567 is an equidigital number, since it uses as much as digits as its factorization.

2772478567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8858072.

The product of its digits is 9219840, while the sum is 55.

The square root of 2772478567 is about 52654.3309424780. The cubic root of 2772478567 is about 1404.8266342997.

The spelling of 2772478567 in words is "two billion, seven hundred seventy-two million, four hundred seventy-eight thousand, five hundred sixty-seven".