25216026890797 has 8 divisors (see below), whose sum is σ = 25833901226112. Its totient is φ = 24598288236000.

The previous prime is 25216026890777. The next prime is 25216026890801. The reversal of 25216026890797 is 79709862061252.

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

It is a cyclic number.

It is not a de Polignac number, because 25216026890797 - 2⁷ = 25216026890669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25216026890777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33543829 + ... + 34287322.

It is an arithmetic number, because the mean of its divisors is an integer number (3229237653264).

Almost surely, 2^{25216026890797} is an apocalyptic number.

It is an amenable number.

25216026890797 is a deficient number, since it is larger than the sum of its proper divisors (617874335315).

25216026890797 is an equidigital number, since it uses as much as digits as its factorization.

25216026890797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67840259.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 25216026890797 in words is "twenty-five trillion, two hundred sixteen billion, twenty-six million, eight hundred ninety thousand, seven hundred ninety-seven".