25348414977 has 12 divisors (see below), whose sum is σ = 38206306944. Its totient is φ = 16164206520.

The previous prime is 25348414937. The next prime is 25348414997. The reversal of 25348414977 is 77941484352.

25348414977 is a `hidden beast` number, since 2 + 53 + 484 + 1 + 49 + 77 = 666.

It is not a de Polignac number, because 25348414977 - 2⁶ = 25348414913 is a prime.

It is a super-4 number, since 4×25348414977⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (25348414907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61227849 + ... + 61228262.

It is an arithmetic number, because the mean of its divisors is an integer number (3183858912).

Almost surely, 2^25348414977 is an apocalyptic number.

It is an amenable number.

25348414977 is a deficient number, since it is larger than the sum of its proper divisors (12857891967).

25348414977 is a wasteful number, since it uses less digits than its factorization.

25348414977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122456140 (or 122456137 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 25348414977 in words is "twenty-five billion, three hundred forty-eight million, four hundred fourteen thousand, nine hundred seventy-seven".