24893897284 has 9 divisors (see below), whose sum is σ = 43564872477. Its totient is φ = 12446790864.

The previous prime is 24893897263. The next prime is 24893897291. The reversal of 24893897284 is 48279839842.

The square root of 24893897284 is 157778.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 106543684 + 24787353600 = 10322^2 + 157440^2 .

It is a super-2 number, since 2×24893897284² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 276112 + ... + 355000.

Almost surely, 2^24893897284 is an apocalyptic number.

24893897284 is the 157778-th square number.

It is an amenable number.

24893897284 is a deficient number, since it is larger than the sum of its proper divisors (18670975193).

24893897284 is an frugal number, since it uses more digits than its factorization.

24893897284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157782 (or 78891 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 64.

Multiplying 24893897284 by its sum of digits (64), we get a square (1593209426176 = 1262224²).

The spelling of 24893897284 in words is "twenty-four billion, eight hundred ninety-three million, eight hundred ninety-seven thousand, two hundred eighty-four".