85147635475451 has 2 divisors, whose sum is σ = 85147635475452. Its totient is φ = 85147635475450.

The previous prime is 85147635475447. The next prime is 85147635475489. The reversal of 85147635475451 is 15457453674158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85147635475451 - 2² = 85147635475447 is a prime.

It is not a weakly prime, because it can be changed into another prime (85147631475451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42573817737725 + 42573817737726.

It is an arithmetic number, because the mean of its divisors is an integer number (42573817737726).

Almost surely, 2^{85147635475451} is an apocalyptic number.

85147635475451 is a deficient number, since it is larger than the sum of its proper divisors (1).

85147635475451 is an equidigital number, since it uses as much as digits as its factorization.

85147635475451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240000, while the sum is 65.

The spelling of 85147635475451 in words is "eighty-five trillion, one hundred forty-seven billion, six hundred thirty-five million, four hundred seventy-five thousand, four hundred fifty-one".