83557272546 has 40 divisors (see below), whose sum is σ = 204251115024. Its totient is φ = 25320385080.

The previous prime is 83557272527. The next prime is 83557272587. The reversal of 83557272546 is 64527275538.

83557272546 is a `hidden beast` number, since 8 + 3 + 5 + 572 + 7 + 25 + 46 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 83557272492 and 83557272501.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23443020 + ... + 23446583.

Almost surely, 2^83557272546 is an apocalyptic number.

83557272546 is an abundant number, since it is smaller than the sum of its proper divisors (120693842478).

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

83557272546 is a wasteful number, since it uses less digits than its factorization.

83557272546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46889628 (or 46889619 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 54.

The spelling of 83557272546 in words is "eighty-three billion, five hundred fifty-seven million, two hundred seventy-two thousand, five hundred forty-six".