677780451 has 12 divisors (see below), whose sum is σ = 980299320. Its totient is φ = 451261440.

The previous prime is 677780423. The next prime is 677780503. The reversal of 677780451 is 154087776.

677780451 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 677780451 - 2¹¹ = 677778403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 677780397 and 677780406.

It is not an unprimeable number, because it can be changed into a prime (677780251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42045 + ... + 55886.

It is an arithmetic number, because the mean of its divisors is an integer number (81691610).

Almost surely, 2^677780451 is an apocalyptic number.

677780451 is a deficient number, since it is larger than the sum of its proper divisors (302518869).

677780451 is a wasteful number, since it uses less digits than its factorization.

677780451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98706 (or 98703 counting only the distinct ones).

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

The square root of 677780451 is about 26034.2169269598. The cubic root of 677780451 is about 878.4081289311.

The spelling of 677780451 in words is "six hundred seventy-seven million, seven hundred eighty thousand, four hundred fifty-one".