16872429577 has 2 divisors, whose sum is σ = 16872429578. Its totient is φ = 16872429576.

The previous prime is 16872429559. The next prime is 16872429653. The reversal of 16872429577 is 77592427861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10244678656 + 6627750921 = 101216^2 + 81411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16872429577 is a prime.

It is not a weakly prime, because it can be changed into another prime (16872429517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8436214788 + 8436214789.

It is an arithmetic number, because the mean of its divisors is an integer number (8436214789).

Almost surely, 2^16872429577 is an apocalyptic number.

It is an amenable number.

16872429577 is a deficient number, since it is larger than the sum of its proper divisors (1).

16872429577 is an equidigital number, since it uses as much as digits as its factorization.

16872429577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11854080, while the sum is 58.

The spelling of 16872429577 in words is "sixteen billion, eight hundred seventy-two million, four hundred twenty-nine thousand, five hundred seventy-seven".