87345020692480 has 48 divisors (see below), whose sum is σ = 209576870963460. Its totient is φ = 34938008272896.

The previous prime is 87345020692471. The next prime is 87345020692493. The reversal of 87345020692480 is 8429602054378.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73442980332544 + 13902040359936 = 8569888^2 + 3728544^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4264883349 + ... + 4264903828.

Almost surely, 2^{87345020692480} is an apocalyptic number.

87345020692480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87345020692480 is an abundant number, since it is smaller than the sum of its proper divisors (122231850270980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87345020692480 is an equidigital number, since it uses as much as digits as its factorization.

87345020692480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529787204 (or 8529787184 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 87345020692480 in words is "eighty-seven trillion, three hundred forty-five billion, twenty million, six hundred ninety-two thousand, four hundred eighty".