104904427 has 2 divisors, whose sum is σ = 104904428. Its totient is φ = 104904426.

The previous prime is 104904313. The next prime is 104904439. The reversal of 104904427 is 724409401.

It is a strong prime.

It is an emirp because it is prime and its reverse (724409401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104904427 is a prime.

It is a super-2 number, since 2×104904427² = 22009877608396658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104904487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52452213 + 52452214.

It is an arithmetic number, because the mean of its divisors is an integer number (52452214).

Almost surely, 2^104904427 is an apocalyptic number.

104904427 is a deficient number, since it is larger than the sum of its proper divisors (1).

104904427 is an equidigital number, since it uses as much as digits as its factorization.

104904427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 104904427 is about 10242.2862193946. The cubic root of 104904427 is about 471.6262167500.

The spelling of 104904427 in words is "one hundred four million, nine hundred four thousand, four hundred twenty-seven".