87561939626 has 8 divisors (see below), whose sum is σ = 150106182240. Its totient is φ = 37526545548.

The previous prime is 87561939587. The next prime is 87561939667. The reversal of 87561939626 is 62693916578.

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

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, 3127212116 + ... + 3127212143.

It is an arithmetic number, because the mean of its divisors is an integer number (18763272780).

Almost surely, 2^87561939626 is an apocalyptic number.

87561939626 is a deficient number, since it is larger than the sum of its proper divisors (62544242614).

87561939626 is a wasteful number, since it uses less digits than its factorization.

87561939626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254424268.

The product of its digits is 29393280, while the sum is 62.

The spelling of 87561939626 in words is "eighty-seven billion, five hundred sixty-one million, nine hundred thirty-nine thousand, six hundred twenty-six".