2478897374 has 4 divisors (see below), whose sum is σ = 3718346064. Its totient is φ = 1239448686.

The previous prime is 2478897373. The next prime is 2478897391. The reversal of 2478897374 is 4737988742.

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

It is a super-2 number, since 2×2478897374² = 12289864381648191752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478897373) 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 as a sum of consecutive naturals, namely, 619724342 + ... + 619724345.

It is an arithmetic number, because the mean of its divisors is an integer number (929586516).

Almost surely, 2^2478897374 is an apocalyptic number.

2478897374 is a deficient number, since it is larger than the sum of its proper divisors (1239448690).

2478897374 is a wasteful number, since it uses less digits than its factorization.

2478897374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239448689.

The product of its digits is 18966528, while the sum is 59.

The square root of 2478897374 is about 49788.5265297137. The cubic root of 2478897374 is about 1353.3792568695.

The spelling of 2478897374 in words is "two billion, four hundred seventy-eight million, eight hundred ninety-seven thousand, three hundred seventy-four".