677161400 has 48 divisors (see below), whose sum is σ = 1642863600. Its totient is φ = 259086080.

The previous prime is 677161369. The next prime is 677161409. The reversal of 677161400 is 4161776.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677161409) 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, 69005 + ... + 78204.

It is an arithmetic number, because the mean of its divisors is an integer number (34226325).

Almost surely, 2^677161400 is an apocalyptic number.

It is an amenable number.

677161400 is an abundant number, since it is smaller than the sum of its proper divisors (965702200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677161400 is a wasteful number, since it uses less digits than its factorization.

677161400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147248 (or 147239 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 677161400 is about 26022.3250306348. The cubic root of 677161400 is about 878.1406160181.

The spelling of 677161400 in words is "six hundred seventy-seven million, one hundred sixty-one thousand, four hundred".