87859490546 has 16 divisors (see below), whose sum is σ = 133110826200. Its totient is φ = 43489324800.

The previous prime is 87859490533. The next prime is 87859490549. The reversal of 87859490546 is 64509495878.

It can be written as a sum of positive squares in 4 ways, for example, as 80706559921 + 7152930625 = 284089^2 + 84575^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87859490549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926560 + ... + 1971636.

Almost surely, 2^87859490546 is an apocalyptic number.

87859490546 is a deficient number, since it is larger than the sum of its proper divisors (45251335654).

87859490546 is a wasteful number, since it uses less digits than its factorization.

87859490546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54829.

The product of its (nonzero) digits is 87091200, while the sum is 65.

The spelling of 87859490546 in words is "eighty-seven billion, eight hundred fifty-nine million, four hundred ninety thousand, five hundred forty-six".