106857212397 has 8 divisors (see below), whose sum is σ = 153435997344. Its totient is φ = 65758284528.

The previous prime is 106857212347. The next prime is 106857212401. The reversal of 106857212397 is 793212758601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106857212397 - 2²⁸ = 106588776941 is a prime.

It is a super-2 number, since 2×106857212397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106857212347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369964223 + ... + 1369964300.

It is an arithmetic number, because the mean of its divisors is an integer number (19179499668).

Almost surely, 2^106857212397 is an apocalyptic number.

It is an amenable number.

106857212397 is a deficient number, since it is larger than the sum of its proper divisors (46578784947).

106857212397 is a wasteful number, since it uses less digits than its factorization.

106857212397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739928539.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 106857212397 in words is "one hundred six billion, eight hundred fifty-seven million, two hundred twelve thousand, three hundred ninety-seven".