97775357 has 2 divisors, whose sum is σ = 97775358. Its totient is φ = 97775356.

The previous prime is 97775351. The next prime is 97775371. The reversal of 97775357 is 75357779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97101316 + 674041 = 9854^2 + 821^2 .

It is a cyclic number.

It is not a de Polignac number, because 97775357 - 2⁴ = 97775341 is a prime.

It is a super-3 number, since 3×97775357³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97775351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48887678 + 48887679.

It is an arithmetic number, because the mean of its divisors is an integer number (48887679).

Almost surely, 2^97775357 is an apocalyptic number.

It is an amenable number.

97775357 is a deficient number, since it is larger than the sum of its proper divisors (1).

97775357 is an equidigital number, since it uses as much as digits as its factorization.

97775357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620675, while the sum is 50.

The square root of 97775357 is about 9888.1422420999. The cubic root of 97775357 is about 460.6910800151.

The spelling of 97775357 in words is "ninety-seven million, seven hundred seventy-five thousand, three hundred fifty-seven".