87020006306 has 8 divisors (see below), whose sum is σ = 130603470060. Its totient is φ = 43485516288.

The previous prime is 87020006303. The next prime is 87020006347. The reversal of 87020006306 is 60360002078.

It can be written as a sum of positive squares in 2 ways, for example, as 86951265625 + 68740681 = 294875^2 + 8291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (87020006303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12238991 + ... + 12246098.

Almost surely, 2^87020006306 is an apocalyptic number.

87020006306 is a deficient number, since it is larger than the sum of its proper divisors (43583463754).

87020006306 is a wasteful number, since it uses less digits than its factorization.

87020006306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24486868.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 87020006306 in words is "eighty-seven billion, twenty million, six thousand, three hundred six".