2772479998 has 4 divisors (see below), whose sum is σ = 4158720000. Its totient is φ = 1386239998.

The previous prime is 2772479971. The next prime is 2772479999. The reversal of 2772479998 is 8999742772.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772479999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693119998 + ... + 693120001.

It is an arithmetic number, because the mean of its divisors is an integer number (1039680000).

Almost surely, 2^2772479998 is an apocalyptic number.

2772479998 is a deficient number, since it is larger than the sum of its proper divisors (1386240002).

2772479998 is a wasteful number, since it uses less digits than its factorization.

2772479998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386240001.

The product of its digits is 32006016, while the sum is 64.

The square root of 2772479998 is about 52654.3445311021. The cubic root of 2772479998 is about 1404.8268759976.

The spelling of 2772479998 in words is "two billion, seven hundred seventy-two million, four hundred seventy-nine thousand, nine hundred ninety-eight".