698077 has 2 divisors, whose sum is σ = 698078. Its totient is φ = 698076.

The previous prime is 698053. The next prime is 698083. The reversal of 698077 is 770896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549081 + 148996 = 741^2 + 386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698077 is a prime.

It is a super-2 number, since 2×698077² = 974622995858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349038 + 349039.

It is an arithmetic number, because the mean of its divisors is an integer number (349039).

2⁶⁹⁸⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

698077 is a deficient number, since it is larger than the sum of its proper divisors (1).

698077 is an equidigital number, since it uses as much as digits as its factorization.

698077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 698077 is about 835.5100238776. The cubic root of 698077 is about 88.7090189689.

The spelling of 698077 in words is "six hundred ninety-eight thousand, seventy-seven".