82757405042 has 8 divisors (see below), whose sum is σ = 133685038956. Its totient is φ = 38195725392.

The previous prime is 82757405039. The next prime is 82757405047. The reversal of 82757405042 is 24050475728.

It can be written as a sum of positive squares in 2 ways, for example, as 65632803721 + 17124601321 = 256189^2 + 130861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 82757404984 and 82757405002.

It is not an unprimeable number, because it can be changed into a prime (82757405047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591488533 + ... + 1591488584.

Almost surely, 2^82757405042 is an apocalyptic number.

82757405042 is a deficient number, since it is larger than the sum of its proper divisors (50927633914).

82757405042 is a wasteful number, since it uses less digits than its factorization.

82757405042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182977132.

The product of its (nonzero) digits is 627200, while the sum is 44.

The spelling of 82757405042 in words is "eighty-two billion, seven hundred fifty-seven million, four hundred five thousand, forty-two".