426776677 has 16 divisors (see below), whose sum is σ = 447480000. Its totient is φ = 406675584.

The previous prime is 426776599. The next prime is 426776699. The reversal of 426776677 is 776677624.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426776677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426779677) 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, 377449 + ... + 378577.

It is an arithmetic number, because the mean of its divisors is an integer number (27967500).

Almost surely, 2^426776677 is an apocalyptic number.

It is an amenable number.

426776677 is a deficient number, since it is larger than the sum of its proper divisors (20703323).

426776677 is a wasteful number, since it uses less digits than its factorization.

426776677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its digits is 4148928, while the sum is 52.

The square root of 426776677 is about 20658.5739343257. The cubic root of 426776677 is about 752.8935198493.

The spelling of 426776677 in words is "four hundred twenty-six million, seven hundred seventy-six thousand, six hundred seventy-seven".