97838807442811 has 2 divisors, whose sum is σ = 97838807442812. Its totient is φ = 97838807442810.

The previous prime is 97838807442769. The next prime is 97838807442911. The reversal of 97838807442811 is 11824470883879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97838807442811 - 2¹³ = 97838807434619 is a prime.

It is not a weakly prime, because it can be changed into another prime (97838807442911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48919403721405 + 48919403721406.

It is an arithmetic number, because the mean of its divisors is an integer number (48919403721406).

Almost surely, 2^{97838807442811} is an apocalyptic number.

97838807442811 is a deficient number, since it is larger than the sum of its proper divisors (1).

97838807442811 is an equidigital number, since it uses as much as digits as its factorization.

97838807442811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 173408256, while the sum is 70.

The spelling of 97838807442811 in words is "ninety-seven trillion, eight hundred thirty-eight billion, eight hundred seven million, four hundred forty-two thousand, eight hundred eleven".