106210842778 has 8 divisors (see below), whose sum is σ = 168687809172. Its totient is φ = 49981573056.

The previous prime is 106210842763. The next prime is 106210842779. The reversal of 106210842778 is 877248012601.

It can be written as a sum of positive squares in 2 ways, for example, as 92876829049 + 13334013729 = 304757^2 + 115473^2 .

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

It is a super-2 number, since 2×106210842778² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106210842779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561924125 + ... + 1561924192.

Almost surely, 2^106210842778 is an apocalyptic number.

106210842778 is a deficient number, since it is larger than the sum of its proper divisors (62476966394).

106210842778 is a wasteful number, since it uses less digits than its factorization.

106210842778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123848336.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 106210842778 in words is "one hundred six billion, two hundred ten million, eight hundred forty-two thousand, seven hundred seventy-eight".