615468623 has 8 divisors (see below), whose sum is σ = 767337600. Its totient is φ = 479585880.

The previous prime is 615468617. The next prime is 615468673. The reversal of 615468623 is 326864516.

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 615468623 - 2⁸ = 615468367 is a prime.

It is a super-2 number, since 2×615468623² = 757603251795032258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615468613) 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 7 ways as a sum of consecutive naturals, for example, 3996473 + ... + 3996626.

It is an arithmetic number, because the mean of its divisors is an integer number (95917200).

Almost surely, 2^615468623 is an apocalyptic number.

615468623 is a deficient number, since it is larger than the sum of its proper divisors (151868977).

615468623 is a wasteful number, since it uses less digits than its factorization.

615468623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993117.

The product of its digits is 207360, while the sum is 41.

The square root of 615468623 is about 24808.6400876791. The cubic root of 615468623 is about 850.6194437372.

The spelling of 615468623 in words is "six hundred fifteen million, four hundred sixty-eight thousand, six hundred twenty-three".