97853807 has 2 divisors, whose sum is σ = 97853808. Its totient is φ = 97853806.

The previous prime is 97853797. The next prime is 97853831. The reversal of 97853807 is 70835879.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97853807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97853897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48926903 + 48926904.

It is an arithmetic number, because the mean of its divisors is an integer number (48926904).

Almost surely, 2^97853807 is an apocalyptic number.

97853807 is a deficient number, since it is larger than the sum of its proper divisors (1).

97853807 is an equidigital number, since it uses as much as digits as its factorization.

97853807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 97853807 is about 9892.1083192614. The cubic root of 97853807 is about 460.8142588155.

It can be divided in two parts, 9785380 and 7, that multiplied together give a triangular number (68497660 = T₁₁₇₀₄).

The spelling of 97853807 in words is "ninety-seven million, eight hundred fifty-three thousand, eight hundred seven".