79628679150281 has 2 divisors, whose sum is σ = 79628679150282. Its totient is φ = 79628679150280.

The previous prime is 79628679150271. The next prime is 79628679150337. The reversal of 79628679150281 is 18205197682697.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59790705678025 + 19837973472256 = 7732445^2 + 4453984^2 .

It is a cyclic number.

It is not a de Polignac number, because 79628679150281 - 2¹⁸ = 79628678888137 is a prime.

It is a super-2 number, since 2×79628679150281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79628679150271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39814339575140 + 39814339575141.

It is an arithmetic number, because the mean of its divisors is an integer number (39814339575141).

Almost surely, 2^{79628679150281} is an apocalyptic number.

It is an amenable number.

79628679150281 is a deficient number, since it is larger than the sum of its proper divisors (1).

79628679150281 is an equidigital number, since it uses as much as digits as its factorization.

79628679150281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 182891520, while the sum is 71.

The spelling of 79628679150281 in words is "seventy-nine trillion, six hundred twenty-eight billion, six hundred seventy-nine million, one hundred fifty thousand, two hundred eighty-one".