104645827657 has 32 divisors (see below), whose sum is σ = 129985903872. Its totient is φ = 82195513344.

The previous prime is 104645827633. The next prime is 104645827661. The reversal of 104645827657 is 756728546401.

It is not a de Polignac number, because 104645827657 - 2⁷ = 104645827529 is a prime.

It is a super-2 number, since 2×104645827657² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104645827598 and 104645827607.

It is not an unprimeable number, because it can be changed into a prime (104645837657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1589833 + ... + 1654345.

It is an arithmetic number, because the mean of its divisors is an integer number (4062059496).

Almost surely, 2^104645827657 is an apocalyptic number.

104645827657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

104645827657 is a deficient number, since it is larger than the sum of its proper divisors (25340076215).

104645827657 is a wasteful number, since it uses less digits than its factorization.

104645827657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64897.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 104645827657 in words is "one hundred four billion, six hundred forty-five million, eight hundred twenty-seven thousand, six hundred fifty-seven".