25348377147 has 32 divisors (see below), whose sum is σ = 36258693120. Its totient is φ = 15705511200.

The previous prime is 25348377113. The next prime is 25348377157. The reversal of 25348377147 is 74177384352.

It is a happy number.

It is not a de Polignac number, because 25348377147 - 2⁶ = 25348377083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25348377147.

It is not an unprimeable number, because it can be changed into a prime (25348377157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 608022 + ... + 648372.

It is an arithmetic number, because the mean of its divisors is an integer number (1133084160).

Almost surely, 2^25348377147 is an apocalyptic number.

25348377147 is a deficient number, since it is larger than the sum of its proper divisors (10910315973).

25348377147 is a wasteful number, since it uses less digits than its factorization.

25348377147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40583.

The product of its digits is 3951360, while the sum is 51.

The spelling of 25348377147 in words is "twenty-five billion, three hundred forty-eight million, three hundred seventy-seven thousand, one hundred forty-seven".