770145445105 has 16 divisors (see below), whose sum is σ = 1004196441600. Its totient is φ = 564860494080.

The previous prime is 770145445079. The next prime is 770145445109. The reversal of 770145445105 is 501544541077.

It is not a de Polignac number, because 770145445105 - 2¹³ = 770145436913 is a prime.

It is a super-2 number, since 2×770145445105² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (770145445109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130751800 + ... + 130757689.

It is an arithmetic number, because the mean of its divisors is an integer number (62762277600).

Almost surely, 2^770145445105 is an apocalyptic number.

It is an amenable number.

770145445105 is a deficient number, since it is larger than the sum of its proper divisors (234050996495).

770145445105 is a wasteful number, since it uses less digits than its factorization.

770145445105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261509544.

The product of its (nonzero) digits is 392000, while the sum is 43.

The spelling of 770145445105 in words is "seven hundred seventy billion, one hundred forty-five million, four hundred forty-five thousand, one hundred five".