977612347 has 2 divisors, whose sum is σ = 977612348. Its totient is φ = 977612346.

The previous prime is 977612341. The next prime is 977612351. The reversal of 977612347 is 743216779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 977612347 - 2⁷ = 977612219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 977612297 and 977612306.

It is not a weakly prime, because it can be changed into another prime (977612341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488806173 + 488806174.

It is an arithmetic number, because the mean of its divisors is an integer number (488806174).

Almost surely, 2^977612347 is an apocalyptic number.

977612347 is a deficient number, since it is larger than the sum of its proper divisors (1).

977612347 is an equidigital number, since it uses as much as digits as its factorization.

977612347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 46.

The square root of 977612347 is about 31266.7930399010. The cubic root of 977612347 is about 992.4810561771.

The spelling of 977612347 in words is "nine hundred seventy-seven million, six hundred twelve thousand, three hundred forty-seven".