87725675444 has 24 divisors (see below), whose sum is σ = 169134479136. Its totient is φ = 39480500000.

The previous prime is 87725675393. The next prime is 87725675459. The reversal of 87725675444 is 44457652778.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9865682 + ... + 9874569.

It is an arithmetic number, because the mean of its divisors is an integer number (7047269964).

Almost surely, 2^87725675444 is an apocalyptic number.

It is an amenable number.

87725675444 is a deficient number, since it is larger than the sum of its proper divisors (81408803692).

87725675444 is a wasteful number, since it uses less digits than its factorization.

87725675444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19740367 (or 19740365 counting only the distinct ones).

The product of its digits is 52684800, while the sum is 59.

The spelling of 87725675444 in words is "eighty-seven billion, seven hundred twenty-five million, six hundred seventy-five thousand, four hundred forty-four".