106776778254 has 16 divisors (see below), whose sum is σ = 215112343248. Its totient is φ = 35332461632.

The previous prime is 106776778253. The next prime is 106776778319. The reversal of 106776778254 is 452877677601.

It is a super-2 number, since 2×106776778254² (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 (106776778253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64948557 + ... + 64950200.

It is an arithmetic number, because the mean of its divisors is an integer number (13444521453).

Almost surely, 2^106776778254 is an apocalyptic number.

106776778254 is an abundant number, since it is smaller than the sum of its proper divisors (108335564994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106776778254 is a wasteful number, since it uses less digits than its factorization.

106776778254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129898899.

The product of its (nonzero) digits is 27659520, while the sum is 60.

The spelling of 106776778254 in words is "one hundred six billion, seven hundred seventy-six million, seven hundred seventy-eight thousand, two hundred fifty-four".