82773538 has 32 divisors (see below), whose sum is σ = 134956800. Its totient is φ = 37948176.

The previous prime is 82773499. The next prime is 82773539. The reversal of 82773538 is 83537728.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 82773494 and 82773503.

It is not an unprimeable number, because it can be changed into a prime (82773539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292345 + ... + 292627.

It is an arithmetic number, because the mean of its divisors is an integer number (4217400).

Almost surely, 2^82773538 is an apocalyptic number.

82773538 is a deficient number, since it is larger than the sum of its proper divisors (52183262).

82773538 is a wasteful number, since it uses less digits than its factorization.

82773538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526.

The product of its digits is 282240, while the sum is 43.

The square root of 82773538 is about 9097.9963728285. The cubic root of 82773538 is about 435.8099815863.

The spelling of 82773538 in words is "eighty-two million, seven hundred seventy-three thousand, five hundred thirty-eight".