104777690 has 16 divisors (see below), whose sum is σ = 188716392. Its totient is φ = 41885184.

The previous prime is 104777683. The next prime is 104777731. The reversal of 104777690 is 96777401.

It can be written as a sum of positive squares in 4 ways, for example, as 104673361 + 104329 = 10231^2 + 323^2 .

It is a super-2 number, since 2×104777690² = 21956728643472200, which contains 22 as substring.

It is an unprimeable number.

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, 30542 + ... + 33798.

Almost surely, 2^104777690 is an apocalyptic number.

104777690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104777690 is a deficient number, since it is larger than the sum of its proper divisors (83938702).

104777690 is a wasteful number, since it uses less digits than its factorization.

104777690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 104777690 is about 10236.0974008652. The cubic root of 104777690 is about 471.4362133966.

The spelling of 104777690 in words is "one hundred four million, seven hundred seventy-seven thousand, six hundred ninety".