87406395996912 has 40 divisors (see below), whose sum is σ = 225803912517504. Its totient is φ = 29134941952704.

The previous prime is 87406395996901. The next prime is 87406395996967. The reversal of 87406395996912 is 21969959360478.

It is a super-2 number, since 2×87406395996912² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13651108 + ... + 19004355.

It is a 1-persistent number, because it is pandigital, but 2⋅87406395996912 = 174812791993824 is not.

Almost surely, 2^{87406395996912} is an apocalyptic number.

It is an amenable number.

87406395996912 is an abundant number, since it is smaller than the sum of its proper divisors (138397516520592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87406395996912 is a wasteful number, since it uses less digits than its factorization.

87406395996912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32711237 (or 32711231 counting only the distinct ones).

The product of its (nonzero) digits is 1587237120, while the sum is 78.

The spelling of 87406395996912 in words is "eighty-seven trillion, four hundred six billion, three hundred ninety-five million, nine hundred ninety-six thousand, nine hundred twelve".