97477967 has 2 divisors, whose sum is σ = 97477968. Its totient is φ = 97477966.

The previous prime is 97477927. The next prime is 97477969. The reversal of 97477967 is 76977479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97477967 - 2¹⁸ = 97215823 is a prime.

Together with 97477969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97477969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48738983 + 48738984.

It is an arithmetic number, because the mean of its divisors is an integer number (48738984).

Almost surely, 2^97477967 is an apocalyptic number.

97477967 is a deficient number, since it is larger than the sum of its proper divisors (1).

97477967 is an equidigital number, since it uses as much as digits as its factorization.

97477967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4667544, while the sum is 56.

The square root of 97477967 is about 9873.0930817044. The cubic root of 97477967 is about 460.2235318763.

The spelling of 97477967 in words is "ninety-seven million, four hundred seventy-seven thousand, nine hundred sixty-seven".