15677712202231 has 8 divisors (see below), whose sum is σ = 15689492879760. Its totient is φ = 15665935212288.

The previous prime is 15677712202223. The next prime is 15677712202289. The reversal of 15677712202231 is 13220221777651.

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 15677712202231 - 2³ = 15677712202223 is a prime.

It is a super-2 number, since 2×15677712202231² (a number of 27 digits) 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 (15677712602231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7613920 + ... + 9451306.

It is an arithmetic number, because the mean of its divisors is an integer number (1961186609970).

Almost surely, 2^{15677712202231} is an apocalyptic number.

15677712202231 is a deficient number, since it is larger than the sum of its proper divisors (11780677529).

15677712202231 is a wasteful number, since it uses less digits than its factorization.

15677712202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843793.

The product of its (nonzero) digits is 493920, while the sum is 46.

Adding to 15677712202231 its reverse (13220221777651), we get a palindrome (28897933979882).

The spelling of 15677712202231 in words is "fifteen trillion, six hundred seventy-seven billion, seven hundred twelve million, two hundred two thousand, two hundred thirty-one".