87041649394 has 32 divisors (see below), whose sum is σ = 154508889600. Its totient is φ = 35982394560.

The previous prime is 87041649361. The next prime is 87041649403. The reversal of 87041649394 is 49394614078.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318664 + ... + 525004.

It is an arithmetic number, because the mean of its divisors is an integer number (4828402800).

Almost surely, 2^87041649394 is an apocalyptic number.

87041649394 is a deficient number, since it is larger than the sum of its proper divisors (67467240206).

87041649394 is a wasteful number, since it uses less digits than its factorization.

87041649394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207418.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 87041649394 in words is "eighty-seven billion, forty-one million, six hundred forty-nine thousand, three hundred ninety-four".