2478897494 has 8 divisors (see below), whose sum is σ = 3718557480. Its totient is φ = 1239378336.

The previous prime is 2478897481. The next prime is 2478897541. The reversal of 2478897494 is 4947988742.

It is a happy number.

2478897494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2478897494² = 12289865571518960072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52517 + ... + 87839.

It is an arithmetic number, because the mean of its divisors is an integer number (464819685).

Almost surely, 2^2478897494 is an apocalyptic number.

2478897494 is a deficient number, since it is larger than the sum of its proper divisors (1239659986).

2478897494 is a wasteful number, since it uses less digits than its factorization.

2478897494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70414.

The product of its digits is 32514048, while the sum is 62.

The square root of 2478897494 is about 49788.5277348106. The cubic root of 2478897494 is about 1353.3792787079.

The spelling of 2478897494 in words is "two billion, four hundred seventy-eight million, eight hundred ninety-seven thousand, four hundred ninety-four".