7661230405 has 8 divisors (see below), whose sum is σ = 9196560000. Its totient is φ = 6126928656.

The previous prime is 7661230399. The next prime is 7661230459. The reversal of 7661230405 is 5040321667.

It is a happy number.

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 7661230405 - 2¹¹ = 7661228357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240465 + ... + 270454.

It is an arithmetic number, because the mean of its divisors is an integer number (1149570000).

Almost surely, 2^7661230405 is an apocalyptic number.

It is an amenable number.

7661230405 is a deficient number, since it is larger than the sum of its proper divisors (1535329595).

7661230405 is a wasteful number, since it uses less digits than its factorization.

7661230405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513923.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 7661230405 is about 87528.4548304150. The cubic root of 7661230405 is about 1971.3610635196.

The spelling of 7661230405 in words is "seven billion, six hundred sixty-one million, two hundred thirty thousand, four hundred five".