677440873 has 8 divisors (see below), whose sum is σ = 708480000. Its totient is φ = 646533888.

The previous prime is 677440849. The next prime is 677440913. The reversal of 677440873 is 378044776.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677440873 is a prime.

It is a super-2 number, since 2×677440873² = 917852272822004258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677440823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22473 + ... + 43126.

It is an arithmetic number, because the mean of its divisors is an integer number (88560000).

Almost surely, 2^677440873 is an apocalyptic number.

It is an amenable number.

677440873 is a deficient number, since it is larger than the sum of its proper divisors (31039127).

677440873 is a wasteful number, since it uses less digits than its factorization.

677440873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66071.

The product of its (nonzero) digits is 790272, while the sum is 46.

The square root of 677440873 is about 26027.6943465994. The cubic root of 677440873 is about 878.2614059499.

The spelling of 677440873 in words is "six hundred seventy-seven million, four hundred forty thousand, eight hundred seventy-three".