3215083790957 has 8 divisors (see below), whose sum is σ = 3227279916600. Its totient is φ = 3202889474304.

The previous prime is 3215083790921. The next prime is 3215083790959. The reversal of 3215083790957 is 7590973805123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34814335396 + 3180269455561 = 186586^2 + 1783331^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3215083790957 - 2⁸ = 3215083790701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3215083790896 and 3215083790905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215083790959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3163769 + ... + 4054577.

It is an arithmetic number, because the mean of its divisors is an integer number (403409989575).

Almost surely, 2^{3215083790957} is an apocalyptic number.

It is an amenable number.

3215083790957 is a deficient number, since it is larger than the sum of its proper divisors (12196125643).

3215083790957 is a wasteful number, since it uses less digits than its factorization.

3215083790957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904495.

The product of its (nonzero) digits is 14288400, while the sum is 59.

The spelling of 3215083790957 in words is "three trillion, two hundred fifteen billion, eighty-three million, seven hundred ninety thousand, nine hundred fifty-seven".