75007631879 has 2 divisors, whose sum is σ = 75007631880. Its totient is φ = 75007631878.

The previous prime is 75007631857. The next prime is 75007631893. The reversal of 75007631879 is 97813670057.

It is a strong prime.

It is an emirp because it is prime and its reverse (97813670057) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75007631879 is a prime.

It is a super-2 number, since 2×75007631879² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75007631879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75007631819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37503815939 + 37503815940.

It is an arithmetic number, because the mean of its divisors is an integer number (37503815940).

Almost surely, 2^75007631879 is an apocalyptic number.

75007631879 is a deficient number, since it is larger than the sum of its proper divisors (1).

75007631879 is an equidigital number, since it uses as much as digits as its factorization.

75007631879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 75007631879 in words is "seventy-five billion, seven million, six hundred thirty-one thousand, eight hundred seventy-nine".