25783966823570 has 32 divisors (see below), whose sum is σ = 46498354914240. Its totient is φ = 10294206874560.

The previous prime is 25783966823567. The next prime is 25783966823581. The reversal of 25783966823570 is 7532866938752.

It is a junction number, because it is equal to n+sod(n) for n = 25783966823494 and 25783966823503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265057601 + ... + 265154859.

It is an arithmetic number, because the mean of its divisors is an integer number (1453073591070).

Almost surely, 2^{25783966823570} is an apocalyptic number.

25783966823570 is a deficient number, since it is larger than the sum of its proper divisors (20714388090670).

25783966823570 is a wasteful number, since it uses less digits than its factorization.

25783966823570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146810.

The product of its (nonzero) digits is 914457600, while the sum is 71.

The spelling of 25783966823570 in words is "twenty-five trillion, seven hundred eighty-three billion, nine hundred sixty-six million, eight hundred twenty-three thousand, five hundred seventy".