2547988838 has 8 divisors (see below), whose sum is σ = 3822950520. Its totient is φ = 1273672000.

The previous prime is 2547988837. The next prime is 2547988841. The reversal of 2547988838 is 8388897452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547988837) 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, 151208 + ... + 167211.

It is an arithmetic number, because the mean of its divisors is an integer number (477868815).

Almost surely, 2^2547988838 is an apocalyptic number.

2547988838 is a deficient number, since it is larger than the sum of its proper divisors (1274961682).

2547988838 is a wasteful number, since it uses less digits than its factorization.

2547988838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322422.

The product of its digits is 30965760, while the sum is 62.

The square root of 2547988838 is about 50477.6072927392. The cubic root of 2547988838 is about 1365.8379444429.

The spelling of 2547988838 in words is "two billion, five hundred forty-seven million, nine hundred eighty-eight thousand, eight hundred thirty-eight".