105477947 has 2 divisors, whose sum is σ = 105477948. Its totient is φ = 105477946.

The previous prime is 105477941. The next prime is 105477961. The reversal of 105477947 is 749774501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105477947 - 2²⁰ = 104429371 is a prime.

It is a super-2 number, since 2×105477947² = 22251194606669618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105477898 and 105477907.

It is not a weakly prime, because it can be changed into another prime (105477941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52738973 + 52738974.

It is an arithmetic number, because the mean of its divisors is an integer number (52738974).

Almost surely, 2^105477947 is an apocalyptic number.

105477947 is a deficient number, since it is larger than the sum of its proper divisors (1).

105477947 is an equidigital number, since it uses as much as digits as its factorization.

105477947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 105477947 is about 10270.2457127374. The cubic root of 105477947 is about 472.4841266375.

The spelling of 105477947 in words is "one hundred five million, four hundred seventy-seven thousand, nine hundred forty-seven".