27749999948 has 48 divisors (see below), whose sum is σ = 54435131520. Its totient is φ = 12268972800.

The previous prime is 27749999941. The next prime is 27749999969. The reversal of 27749999948 is 84999994772.

It is a super-2 number, since 2×27749999948² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27749999941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425543 + ... + 486401.

It is an arithmetic number, because the mean of its divisors is an integer number (1134065240).

Almost surely, 2^27749999948 is an apocalyptic number.

It is an amenable number.

27749999948 is a deficient number, since it is larger than the sum of its proper divisors (26685131572).

27749999948 is a wasteful number, since it uses less digits than its factorization.

27749999948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61158 (or 61156 counting only the distinct ones).

The product of its digits is 740710656, while the sum is 77.

The spelling of 27749999948 in words is "twenty-seven billion, seven hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred forty-eight".