1000077497 has 2 divisors, whose sum is σ = 1000077498. Its totient is φ = 1000077496.

The previous prime is 1000077487. The next prime is 1000077509. The reversal of 1000077497 is 7947700001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1000077376 + 121 = 31624^2 + 11^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000077497 - 2⁶ = 1000077433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000077437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500038748 + 500038749.

It is an arithmetic number, because the mean of its divisors is an integer number (500038749).

Almost surely, 2^1000077497 is an apocalyptic number.

It is an amenable number.

1000077497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000077497 is an equidigital number, since it uses as much as digits as its factorization.

1000077497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 1000077497 is about 31624.0019131039. The cubic root of 1000077497 is about 1000.0258316661.

Adding to 1000077497 its reverse (7947700001), we get a palindrome (8947777498).

The spelling of 1000077497 in words is "one billion, seventy-seven thousand, four hundred ninety-seven".