87625628 has 6 divisors (see below), whose sum is σ = 153344856. Its totient is φ = 43812812.

The previous prime is 87625627. The next prime is 87625631. The reversal of 87625628 is 82652678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87625621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10953200 + ... + 10953207.

It is an arithmetic number, because the mean of its divisors is an integer number (25557476).

Almost surely, 2^87625628 is an apocalyptic number.

It is an amenable number.

87625628 is a deficient number, since it is larger than the sum of its proper divisors (65719228).

87625628 is a wasteful number, since it uses less digits than its factorization.

87625628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21906411 (or 21906409 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 87625628 is about 9360.8561574249. The cubic root of 87625628 is about 444.1643670859.

The spelling of 87625628 in words is "eighty-seven million, six hundred twenty-five thousand, six hundred twenty-eight".