87153809446 has 32 divisors (see below), whose sum is σ = 148510298880. Its totient is φ = 37995972000.

The previous prime is 87153809423. The next prime is 87153809489. The reversal of 87153809446 is 64490835178.

It is a congruent number.

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, 355996 + ... + 548671.

It is an arithmetic number, because the mean of its divisors is an integer number (4640946840).

Almost surely, 2^87153809446 is an apocalyptic number.

87153809446 is a deficient number, since it is larger than the sum of its proper divisors (61356489434).

87153809446 is a wasteful number, since it uses less digits than its factorization.

87153809446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904860.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 87153809446 in words is "eighty-seven billion, one hundred fifty-three million, eight hundred nine thousand, four hundred forty-six".