25770000385 has 8 divisors (see below), whose sum is σ = 31921549056. Its totient is φ = 19950967920.

The previous prime is 25770000383. The next prime is 25770000391. The reversal of 25770000385 is 58300007752.

25770000385 = T₁₃₁₀₇₁ + T₁₃₁₀₇₂ + T₁₃₁₀₇₃.

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

It is not a de Polignac number, because 25770000385 - 2¹ = 25770000383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25770000383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83128879 + ... + 83129188.

It is an arithmetic number, because the mean of its divisors is an integer number (3990193632).

Almost surely, 2^25770000385 is an apocalyptic number.

25770000385 is the 131073-rd centered triangular number.

It is an amenable number.

25770000385 is a deficient number, since it is larger than the sum of its proper divisors (6151548671).

25770000385 is a wasteful number, since it uses less digits than its factorization.

25770000385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166258103.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 25770000385 in words is "twenty-five billion, seven hundred seventy million, three hundred eighty-five", and thus it is an aban number.