43478081097 has 32 divisors (see below), whose sum is σ = 63730243584. Its totient is φ = 26146992000.

The previous prime is 43478081063. The next prime is 43478081107. The reversal of 43478081097 is 79018087434.

It is not a de Polignac number, because 43478081097 - 2¹⁰ = 43478080073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43478081057) 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, 3305548 + ... + 3318674.

It is an arithmetic number, because the mean of its divisors is an integer number (1991570112).

Almost surely, 2^43478081097 is an apocalyptic number.

It is an amenable number.

43478081097 is a deficient number, since it is larger than the sum of its proper divisors (20252162487).

43478081097 is a wasteful number, since it uses less digits than its factorization.

43478081097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13909.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 43478081097 in words is "forty-three billion, four hundred seventy-eight million, eighty-one thousand, ninety-seven".