87320791456 has 12 divisors (see below), whose sum is σ = 171912808242. Its totient is φ = 43660395712.

The previous prime is 87320791429. The next prime is 87320791463. The reversal of 87320791456 is 65419702378.

It can be written as a sum of positive squares in only one way, i.e., 68528768400 + 18792023056 = 261780^2 + 137084^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364387335 + ... + 1364387398.

It is a 1-persistent number, because it is pandigital, but 2⋅87320791456 = 174641582912 is not.

Almost surely, 2^87320791456 is an apocalyptic number.

It is an amenable number.

87320791456 is a deficient number, since it is larger than the sum of its proper divisors (84592016786).

87320791456 is a wasteful number, since it uses less digits than its factorization.

87320791456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728774743 (or 2728774735 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 87320791456 in words is "eighty-seven billion, three hundred twenty million, seven hundred ninety-one thousand, four hundred fifty-six".