97628022901 has 2 divisors, whose sum is σ = 97628022902. Its totient is φ = 97628022900.

The previous prime is 97628022889. The next prime is 97628022913. The reversal of 97628022901 is 10922082679.

It is a balanced prime because it is at equal distance from previous prime (97628022889) and next prime (97628022913).

It can be written as a sum of positive squares in only one way, i.e., 69775750801 + 27852272100 = 264151^2 + 166890^2 .

It is a cyclic number.

It is not a de Polignac number, because 97628022901 - 2⁹ = 97628022389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97628022941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48814011450 + 48814011451.

It is an arithmetic number, because the mean of its divisors is an integer number (48814011451).

Almost surely, 2^97628022901 is an apocalyptic number.

It is an amenable number.

97628022901 is a deficient number, since it is larger than the sum of its proper divisors (1).

97628022901 is an equidigital number, since it uses as much as digits as its factorization.

97628022901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 97628022901 in words is "ninety-seven billion, six hundred twenty-eight million, twenty-two thousand, nine hundred one".