87340345156 has 27 divisors (see below), whose sum is σ = 154399220157. Its totient is φ = 43230713520.

The previous prime is 87340345139. The next prime is 87340345163. The reversal of 87340345156 is 65154304378.

The square root of 87340345156 is 295534.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 39694186756 + 47646158400 = 199234^2 + 218280^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 63243586 + ... + 63244966.

Almost surely, 2^87340345156 is an apocalyptic number.

87340345156 is the 295534-th square number.

It is an amenable number.

87340345156 is a deficient number, since it is larger than the sum of its proper divisors (67058875001).

87340345156 is an equidigital number, since it uses as much as digits as its factorization.

87340345156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 87340345156 in words is "eighty-seven billion, three hundred forty million, three hundred forty-five thousand, one hundred fifty-six".