104447657 has 2 divisors, whose sum is σ = 104447658. Its totient is φ = 104447656.

The previous prime is 104447621. The next prime is 104447699. The reversal of 104447657 is 756744401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104121616 + 326041 = 10204^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 104447657 - 2¹⁶ = 104382121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104447657.

It is not a weakly prime, because it can be changed into another prime (104447257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52223828 + 52223829.

It is an arithmetic number, because the mean of its divisors is an integer number (52223829).

Almost surely, 2^104447657 is an apocalyptic number.

It is an amenable number.

104447657 is a deficient number, since it is larger than the sum of its proper divisors (1).

104447657 is an equidigital number, since it uses as much as digits as its factorization.

104447657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 104447657 is about 10219.9636496418. The cubic root of 104447657 is about 470.9407098373.

The spelling of 104447657 in words is "one hundred four million, four hundred forty-seven thousand, six hundred fifty-seven".