75477251383 has 2 divisors, whose sum is σ = 75477251384. Its totient is φ = 75477251382.

The previous prime is 75477251359. The next prime is 75477251387. The reversal of 75477251383 is 38315277457.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75477251383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75477251383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75477251387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37738625691 + 37738625692.

It is an arithmetic number, because the mean of its divisors is an integer number (37738625692).

Almost surely, 2^75477251383 is an apocalyptic number.

75477251383 is a deficient number, since it is larger than the sum of its proper divisors (1).

75477251383 is an equidigital number, since it uses as much as digits as its factorization.

75477251383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 52.

The spelling of 75477251383 in words is "seventy-five billion, four hundred seventy-seven million, two hundred fifty-one thousand, three hundred eighty-three".