80520154470 has 48 divisors (see below), whose sum is σ = 239259889440. Its totient is φ = 18404606592.

The previous prime is 80520154459. The next prime is 80520154621. The reversal of 80520154470 is 7445102508.

80520154470 is a `hidden beast` number, since 8 + 0 + 5 + 201 + 5 + 447 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63904255 + ... + 63905514.

It is an arithmetic number, because the mean of its divisors is an integer number (4984581030).

Almost surely, 2^80520154470 is an apocalyptic number.

80520154470 is an abundant number, since it is smaller than the sum of its proper divisors (158739734970).

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

80520154470 is a wasteful number, since it uses less digits than its factorization.

80520154470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127809789 (or 127809786 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

Adding to 80520154470 its reverse (7445102508), we get a palindrome (87965256978).

The spelling of 80520154470 in words is "eighty billion, five hundred twenty million, one hundred fifty-four thousand, four hundred seventy".