25326787078 has 8 divisors (see below), whose sum is σ = 37992998520. Its totient is φ = 12662454240.

The previous prime is 25326787037. The next prime is 25326787093. The reversal of 25326787078 is 87078762352.

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

It is a super-2 number, since 2×25326787078² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435448 + ... + 490171.

It is an arithmetic number, because the mean of its divisors is an integer number (4749124815).

Almost surely, 2^25326787078 is an apocalyptic number.

25326787078 is a deficient number, since it is larger than the sum of its proper divisors (12666211442).

25326787078 is a wasteful number, since it uses less digits than its factorization.

25326787078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939302.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 25326787078 in words is "twenty-five billion, three hundred twenty-six million, seven hundred eighty-seven thousand, seventy-eight".