7157215082 has 8 divisors (see below), whose sum is σ = 10938385476. Its totient is φ = 3511086592.

The previous prime is 7157215073. The next prime is 7157215103. The reversal of 7157215082 is 2805127517.

It can be written as a sum of positive squares in 2 ways, for example, as 6868928641 + 288286441 = 82879^2 + 16979^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33760343 + ... + 33760554.

Almost surely, 2^7157215082 is an apocalyptic number.

7157215082 is a deficient number, since it is larger than the sum of its proper divisors (3781170394).

7157215082 is a wasteful number, since it uses less digits than its factorization.

7157215082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67520952.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 7157215082 is about 84600.3255431089. The cubic root of 7157215082 is about 1927.1463175166.

The spelling of 7157215082 in words is "seven billion, one hundred fifty-seven million, two hundred fifteen thousand, eighty-two".