97853019 has 32 divisors (see below), whose sum is σ = 150571008. Its totient is φ = 55968000.

The previous prime is 97853009. The next prime is 97853033. The reversal of 97853019 is 91035879.

It is a happy number.

It is not a de Polignac number, because 97853019 - 2¹³ = 97844827 is a prime.

It is a super-2 number, since 2×97853019² = 19150426654828722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97853009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40777 + ... + 43109.

It is an arithmetic number, because the mean of its divisors is an integer number (4705344).

Almost surely, 2^97853019 is an apocalyptic number.

97853019 is a deficient number, since it is larger than the sum of its proper divisors (52717989).

97853019 is a wasteful number, since it uses less digits than its factorization.

97853019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 97853019 is about 9892.0684894515. The cubic root of 97853019 is about 460.8130218594.

The spelling of 97853019 in words is "ninety-seven million, eight hundred fifty-three thousand, nineteen".