104780677005 has 40 divisors (see below), whose sum is σ = 189765518712. Its totient is φ = 55306893312.

The previous prime is 104780676991. The next prime is 104780677013. The reversal of 104780677005 is 500776087401.

It can be written as a sum of positive squares in 4 ways, for example, as 8850481929 + 95930195076 = 94077^2 + 309726^2 .

It is not a de Polignac number, because 104780677005 - 2²¹ = 104778579853 is a prime.

It is a super-2 number, since 2×104780677005² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1294312 + ... + 1372881.

Almost surely, 2^104780677005 is an apocalyptic number.

104780677005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104780677005 is a deficient number, since it is larger than the sum of its proper divisors (84984841707).

104780677005 is an equidigital number, since it uses as much as digits as its factorization.

104780677005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667307 (or 2667298 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 104780677005 in words is "one hundred four billion, seven hundred eighty million, six hundred seventy-seven thousand, five".