690177141 has 12 divisors (see below), whose sum is σ = 999704160. Its totient is φ = 458834280.

The previous prime is 690177139. The next prime is 690177143. The reversal of 690177141 is 141771096.

It is an interprime number because it is at equal distance from previous prime (690177139) and next prime (690177143).

It is not a de Polignac number, because 690177141 - 2¹ = 690177139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690177096 and 690177105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690177143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103575 + ... + 110036.

It is an arithmetic number, because the mean of its divisors is an integer number (83308680).

Almost surely, 2^690177141 is an apocalyptic number.

It is an amenable number.

690177141 is a deficient number, since it is larger than the sum of its proper divisors (309527019).

690177141 is a wasteful number, since it uses less digits than its factorization.

690177141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213976 (or 213973 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 690177141 is about 26271.2226780559. Note that the first 3 decimals coincide. The cubic root of 690177141 is about 883.7312049176.

The spelling of 690177141 in words is "six hundred ninety million, one hundred seventy-seven thousand, one hundred forty-one".