97500962477 has 2 divisors, whose sum is σ = 97500962478. Its totient is φ = 97500962476.

The previous prime is 97500962473. The next prime is 97500962497. The reversal of 97500962477 is 77426900579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97355856361 + 145106116 = 312019^2 + 12046^2 .

It is a cyclic number.

It is not a de Polignac number, because 97500962477 - 2² = 97500962473 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97500962473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48750481238 + 48750481239.

It is an arithmetic number, because the mean of its divisors is an integer number (48750481239).

Almost surely, 2^97500962477 is an apocalyptic number.

It is an amenable number.

97500962477 is a deficient number, since it is larger than the sum of its proper divisors (1).

97500962477 is an equidigital number, since it uses as much as digits as its factorization.

97500962477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The spelling of 97500962477 in words is "ninety-seven billion, five hundred million, nine hundred sixty-two thousand, four hundred seventy-seven".