677858061 has 4 divisors (see below), whose sum is σ = 903810752. Its totient is φ = 451905372.

The previous prime is 677858023. The next prime is 677858081. The reversal of 677858061 is 160858776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 677858061 - 2¹⁷ = 677726989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677858061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677858081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112976341 + ... + 112976346.

It is an arithmetic number, because the mean of its divisors is an integer number (225952688).

Almost surely, 2^677858061 is an apocalyptic number.

It is an amenable number.

677858061 is a deficient number, since it is larger than the sum of its proper divisors (225952691).

677858061 is a wasteful number, since it uses less digits than its factorization.

677858061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225952690.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 677858061 is about 26035.7074226916. The cubic root of 677858061 is about 878.4416553495.

The spelling of 677858061 in words is "six hundred seventy-seven million, eight hundred fifty-eight thousand, sixty-one".