677017971 has 24 divisors (see below), whose sum is σ = 1147826784. Its totient is φ = 376410240.

The previous prime is 677017961. The next prime is 677018003. The reversal of 677017971 is 179710776.

It is not a de Polignac number, because 677017971 - 2¹⁰ = 677016947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677017921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142890 + ... + 147551.

It is an arithmetic number, because the mean of its divisors is an integer number (47826116).

Almost surely, 2^677017971 is an apocalyptic number.

677017971 is a deficient number, since it is larger than the sum of its proper divisors (470808813).

677017971 is a wasteful number, since it uses less digits than its factorization.

677017971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290491 (or 290488 counting only the distinct ones).

The product of its (nonzero) digits is 129654, while the sum is 45.

The square root of 677017971 is about 26019.5690010423. The cubic root of 677017971 is about 878.0786122260.

The spelling of 677017971 in words is "six hundred seventy-seven million, seventeen thousand, nine hundred seventy-one".