25045396977 has 8 divisors (see below), whose sum is σ = 34296399616. Its totient is φ = 16245662832.

The previous prime is 25045396967. The next prime is 25045396997. The reversal of 25045396977 is 77969354052.

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

It is not a de Polignac number, because 25045396977 - 2¹¹ = 25045394929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25045396967) 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, 112816993 + ... + 112817214.

It is an arithmetic number, because the mean of its divisors is an integer number (4287049952).

Almost surely, 2^25045396977 is an apocalyptic number.

It is an amenable number.

25045396977 is a deficient number, since it is larger than the sum of its proper divisors (9251002639).

25045396977 is a wasteful number, since it uses less digits than its factorization.

25045396977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225634247.

The product of its (nonzero) digits is 14288400, while the sum is 57.

The spelling of 25045396977 in words is "twenty-five billion, forty-five million, three hundred ninety-six thousand, nine hundred seventy-seven".