87420130513033 has 4 divisors (see below), whose sum is σ = 87718492733508. Its totient is φ = 87121768292560.

The previous prime is 87420130512983. The next prime is 87420130513057. The reversal of 87420130513033 is 33031503102478.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51459575702089 + 35960554810944 = 7173533^2 + 5996712^2 .

It is a cyclic number.

It is not a de Polignac number, because 87420130513033 - 2¹³ = 87420130504841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87420139513033) 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, 149181109798 + ... + 149181110383.

It is an arithmetic number, because the mean of its divisors is an integer number (21929623183377).

Almost surely, 2^{87420130513033} is an apocalyptic number.

It is an amenable number.

87420130513033 is a deficient number, since it is larger than the sum of its proper divisors (298362220475).

87420130513033 is a wasteful number, since it uses less digits than its factorization.

87420130513033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298362220474.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 87420130513033 in words is "eighty-seven trillion, four hundred twenty billion, one hundred thirty million, five hundred thirteen thousand, thirty-three".