82355719090 has 8 divisors (see below), whose sum is σ = 148240294380. Its totient is φ = 32942287632.

The previous prime is 82355719081. The next prime is 82355719093. The reversal of 82355719090 is 9091755328.

It can be written as a sum of positive squares in 2 ways, for example, as 74172888409 + 8182830681 = 272347^2 + 90459^2 .

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

It is not an unprimeable number, because it can be changed into a prime (82355719093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4117785945 + ... + 4117785964.

Almost surely, 2^82355719090 is an apocalyptic number.

82355719090 is a deficient number, since it is larger than the sum of its proper divisors (65884575290).

82355719090 is a wasteful number, since it uses less digits than its factorization.

82355719090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235571916.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 82355719090 in words is "eighty-two billion, three hundred fifty-five million, seven hundred nineteen thousand, ninety".