677994801 has 32 divisors (see below), whose sum is σ = 997539840. Its totient is φ = 406204800.

The previous prime is 677994797. The next prime is 677994829. The reversal of 677994801 is 108499776.

It is not a de Polignac number, because 677994801 - 2² = 677994797 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (677994001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1657485 + ... + 1657893.

It is an arithmetic number, because the mean of its divisors is an integer number (31173120).

Almost surely, 2^677994801 is an apocalyptic number.

It is an amenable number.

677994801 is a deficient number, since it is larger than the sum of its proper divisors (319545039).

677994801 is a wasteful number, since it uses less digits than its factorization.

677994801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 677994801 is about 26038.3332991956. Note that the first 3 decimals coincide. The cubic root of 677994801 is about 878.5007188629.

The spelling of 677994801 in words is "six hundred seventy-seven million, nine hundred ninety-four thousand, eight hundred one".