977654339 has 2 divisors, whose sum is σ = 977654340. Its totient is φ = 977654338.

The previous prime is 977654303. The next prime is 977654369. The reversal of 977654339 is 933456779.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977654339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (977654369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488827169 + 488827170.

It is an arithmetic number, because the mean of its divisors is an integer number (488827170).

Almost surely, 2^977654339 is an apocalyptic number.

977654339 is a deficient number, since it is larger than the sum of its proper divisors (1).

977654339 is an equidigital number, since it uses as much as digits as its factorization.

977654339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 53.

The square root of 977654339 is about 31267.4645438353. The cubic root of 977654339 is about 992.4952661953.

The spelling of 977654339 in words is "nine hundred seventy-seven million, six hundred fifty-four thousand, three hundred thirty-nine".