2478897100 has 18 divisors (see below), whose sum is σ = 5379206924. Its totient is φ = 991558800.

The previous prime is 2478897089. The next prime is 2478897101. The reversal of 2478897100 is 17988742.

It is a super-2 number, since 2×2478897100² = 12289861664776820000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478897101) 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 5 ways as a sum of consecutive naturals, for example, 12394386 + ... + 12394585.

Almost surely, 2^2478897100 is an apocalyptic number.

2478897100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2478897100 is an abundant number, since it is smaller than the sum of its proper divisors (2900309824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2478897100 is a wasteful number, since it uses less digits than its factorization.

2478897100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24788985 (or 24788978 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 2478897100 is about 49788.5237780756. The cubic root of 2478897100 is about 1353.3792070052.

The spelling of 2478897100 in words is "two billion, four hundred seventy-eight million, eight hundred ninety-seven thousand, one hundred".