97886401 has 2 divisors, whose sum is σ = 97886402. Its totient is φ = 97886400.

The previous prime is 97886387. The next prime is 97886431. The reversal of 97886401 is 10468879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97002801 + 883600 = 9849^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 97886401 - 2²¹ = 95789249 is a prime.

It is not a weakly prime, because it can be changed into another prime (97886431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48943200 + 48943201.

It is an arithmetic number, because the mean of its divisors is an integer number (48943201).

Almost surely, 2^97886401 is an apocalyptic number.

It is an amenable number.

97886401 is a deficient number, since it is larger than the sum of its proper divisors (1).

97886401 is an equidigital number, since it uses as much as digits as its factorization.

97886401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 97886401 is about 9893.7556569788. The cubic root of 97886401 is about 460.8654171475.

The spelling of 97886401 in words is "ninety-seven million, eight hundred eighty-six thousand, four hundred one".