677380090 has 16 divisors (see below), whose sum is σ = 1252238472. Its totient is φ = 263628864.

The previous prime is 677380087. The next prime is 677380091. The reversal of 677380090 is 90083776.

It can be written as a sum of positive squares in 4 ways, for example, as 676676169 + 703921 = 26013^2 + 839^2 .

It is not an unprimeable number, because it can be changed into a prime (677380091) 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, 915009 + ... + 915748.

Almost surely, 2^677380090 is an apocalyptic number.

677380090 is a deficient number, since it is larger than the sum of its proper divisors (574858382).

677380090 is a wasteful number, since it uses less digits than its factorization.

677380090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830801.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 677380090 is about 26026.5266603133. The cubic root of 677380090 is about 878.2351379946.

The spelling of 677380090 in words is "six hundred seventy-seven million, three hundred eighty thousand, ninety".