676806702405 has 16 divisors (see below), whose sum is σ = 1146590178624. Its totient is φ = 339730423040.

The previous prime is 676806702373. The next prime is 676806702421. The reversal of 676806702405 is 504207608676.

676806702405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 676806702405 - 2⁵ = 676806702373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1327071711 + ... + 1327072220.

It is an arithmetic number, because the mean of its divisors is an integer number (71661886164).

Almost surely, 2^676806702405 is an apocalyptic number.

It is an amenable number.

676806702405 is a deficient number, since it is larger than the sum of its proper divisors (469783476219).

676806702405 is a wasteful number, since it uses less digits than its factorization.

676806702405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654143956.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 676806702405 in words is "six hundred seventy-six billion, eight hundred six million, seven hundred two thousand, four hundred five".