97461977 has 2 divisors, whose sum is σ = 97461978. Its totient is φ = 97461976.

The previous prime is 97461911. The next prime is 97461979. The reversal of 97461977 is 77916479.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91030681 + 6431296 = 9541^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 97461977 - 2¹⁰ = 97460953 is a prime.

Together with 97461979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97461979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48730988 + 48730989.

It is an arithmetic number, because the mean of its divisors is an integer number (48730989).

Almost surely, 2^97461977 is an apocalyptic number.

It is an amenable number.

97461977 is a deficient number, since it is larger than the sum of its proper divisors (1).

97461977 is an equidigital number, since it uses as much as digits as its factorization.

97461977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 50.

The square root of 97461977 is about 9872.2832718678. The cubic root of 97461977 is about 460.1983659271.

The spelling of 97461977 in words is "ninety-seven million, four hundred sixty-one thousand, nine hundred seventy-seven".