71428878083 has 4 divisors (see below), whose sum is σ = 71429841288. Its totient is φ = 71427914880.

The previous prime is 71428878077. The next prime is 71428878107. The reversal of 71428878083 is 38087882417.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71428878083 - 2⁸ = 71428877827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71428878023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360158 + ... + 522083.

It is an arithmetic number, because the mean of its divisors is an integer number (17857460322).

Almost surely, 2^71428878083 is an apocalyptic number.

71428878083 is a deficient number, since it is larger than the sum of its proper divisors (963205).

71428878083 is an equidigital number, since it uses as much as digits as its factorization.

71428878083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963204.

The product of its (nonzero) digits is 4816896, while the sum is 56.

The spelling of 71428878083 in words is "seventy-one billion, four hundred twenty-eight million, eight hundred seventy-eight thousand, eighty-three".