977163241 has 2 divisors, whose sum is σ = 977163242. Its totient is φ = 977163240.

The previous prime is 977163227. The next prime is 977163287. The reversal of 977163241 is 142361779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 597069225 + 380094016 = 24435^2 + 19496^2 .

It is a cyclic number.

It is not a de Polignac number, because 977163241 - 2⁹ = 977162729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 977163194 and 977163203.

It is not a weakly prime, because it can be changed into another prime (977163221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488581620 + 488581621.

It is an arithmetic number, because the mean of its divisors is an integer number (488581621).

Almost surely, 2^977163241 is an apocalyptic number.

It is an amenable number.

977163241 is a deficient number, since it is larger than the sum of its proper divisors (1).

977163241 is an equidigital number, since it uses as much as digits as its factorization.

977163241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 977163241 is about 31259.6103782501. The cubic root of 977163241 is about 992.3290540498.

The spelling of 977163241 in words is "nine hundred seventy-seven million, one hundred sixty-three thousand, two hundred forty-one".