70028151227 has 4 divisors (see below), whose sum is σ = 70670611440. Its totient is φ = 69385691016.

The previous prime is 70028151217. The next prime is 70028151233. The reversal of 70028151227 is 72215182007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70028151227 - 2⁸ = 70028150971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70028151217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321229943 + ... + 321230160.

It is an arithmetic number, because the mean of its divisors is an integer number (17667652860).

Almost surely, 2^70028151227 is an apocalyptic number.

70028151227 is a deficient number, since it is larger than the sum of its proper divisors (642460213).

70028151227 is a wasteful number, since it uses less digits than its factorization.

70028151227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642460212.

The product of its (nonzero) digits is 15680, while the sum is 35.

The spelling of 70028151227 in words is "seventy billion, twenty-eight million, one hundred fifty-one thousand, two hundred twenty-seven".