677152019 has 2 divisors, whose sum is σ = 677152020. Its totient is φ = 677152018.

The previous prime is 677152013. The next prime is 677152031. The reversal of 677152019 is 910251776.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677152019 is a prime.

It is a super-2 number, since 2×677152019² = 917069713671552722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (677152013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338576009 + 338576010.

It is an arithmetic number, because the mean of its divisors is an integer number (338576010).

Almost surely, 2^677152019 is an apocalyptic number.

677152019 is a deficient number, since it is larger than the sum of its proper divisors (1).

677152019 is an equidigital number, since it uses as much as digits as its factorization.

677152019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 677152019 is about 26022.1447809361. The cubic root of 677152019 is about 878.1365609163.

The spelling of 677152019 in words is "six hundred seventy-seven million, one hundred fifty-two thousand, nineteen".