677406155 has 8 divisors (see below), whose sum is σ = 813050784. Its totient is φ = 541816000.

The previous prime is 677406137. The next prime is 677406161. The reversal of 677406155 is 551604776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 677406155 - 2¹⁸ = 677144011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22415 + ... + 43095.

It is an arithmetic number, because the mean of its divisors is an integer number (101631348).

Almost surely, 2^677406155 is an apocalyptic number.

677406155 is a deficient number, since it is larger than the sum of its proper divisors (135644629).

677406155 is a wasteful number, since it uses less digits than its factorization.

677406155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27237.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 677406155 is about 26027.0273946142. The cubic root of 677406155 is about 878.2464024263.

The spelling of 677406155 in words is "six hundred seventy-seven million, four hundred six thousand, one hundred fifty-five".