75478923071 has 2 divisors, whose sum is σ = 75478923072. Its totient is φ = 75478923070.

The previous prime is 75478923053. The next prime is 75478923073. The reversal of 75478923071 is 17032987457.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75478923071 - 2²² = 75474728767 is a prime.

Together with 75478923073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75478923073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37739461535 + 37739461536.

It is an arithmetic number, because the mean of its divisors is an integer number (37739461536).

Almost surely, 2^75478923071 is an apocalyptic number.

75478923071 is a deficient number, since it is larger than the sum of its proper divisors (1).

75478923071 is an equidigital number, since it uses as much as digits as its factorization.

75478923071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 75478923071 in words is "seventy-five billion, four hundred seventy-eight million, nine hundred twenty-three thousand, seventy-one".