84520557272 has 16 divisors (see below), whose sum is σ = 158500557000. Its totient is φ = 42253742080.

The previous prime is 84520557241. The next prime is 84520557281. The reversal of 84520557272 is 27275502548.

It is a congruent number.

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, 761897 + ... + 865752.

Almost surely, 2^84520557272 is an apocalyptic number.

It is an amenable number.

84520557272 is a deficient number, since it is larger than the sum of its proper divisors (73979999728).

84520557272 is a wasteful number, since it uses less digits than its factorization.

84520557272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634146 (or 1634142 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 47.

The spelling of 84520557272 in words is "eighty-four billion, five hundred twenty million, five hundred fifty-seven thousand, two hundred seventy-two".