97622786551 has 2 divisors, whose sum is σ = 97622786552. Its totient is φ = 97622786550.

The previous prime is 97622786531. The next prime is 97622786561. The reversal of 97622786551 is 15568722679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97622786551 - 2⁵ = 97622786519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97622786531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48811393275 + 48811393276.

It is an arithmetic number, because the mean of its divisors is an integer number (48811393276).

Almost surely, 2^97622786551 is an apocalyptic number.

97622786551 is a deficient number, since it is larger than the sum of its proper divisors (1).

97622786551 is an equidigital number, since it uses as much as digits as its factorization.

97622786551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 58.

The spelling of 97622786551 in words is "ninety-seven billion, six hundred twenty-two million, seven hundred eighty-six thousand, five hundred fifty-one".