82477545 has 16 divisors (see below), whose sum is σ = 132148800. Its totient is φ = 43926464.

The previous prime is 82477541. The next prime is 82477547. The reversal of 82477545 is 54577428.

It is a cyclic number.

It is not a de Polignac number, because 82477545 - 2² = 82477541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82477497 and 82477506.

It is not an unprimeable number, because it can be changed into a prime (82477541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8506 + ... + 15404.

It is an arithmetic number, because the mean of its divisors is an integer number (8259300).

Almost surely, 2^82477545 is an apocalyptic number.

It is an amenable number.

82477545 is a deficient number, since it is larger than the sum of its proper divisors (49671255).

82477545 is a wasteful number, since it uses less digits than its factorization.

82477545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7704.

The product of its digits is 313600, while the sum is 42.

The square root of 82477545 is about 9081.7148711023. The cubic root of 82477545 is about 435.2898847270.

The spelling of 82477545 in words is "eighty-two million, four hundred seventy-seven thousand, five hundred forty-five".