80976349 has 2 divisors, whose sum is σ = 80976350. Its totient is φ = 80976348.

The previous prime is 80976319. The next prime is 80976391. The reversal of 80976349 is 94367908.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63712324 + 17264025 = 7982^2 + 4155^2 .

It is a cyclic number.

It is not a de Polignac number, because 80976349 - 2⁷ = 80976221 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80976299 and 80976308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80976319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40488174 + 40488175.

It is an arithmetic number, because the mean of its divisors is an integer number (40488175).

Almost surely, 2^80976349 is an apocalyptic number.

It is an amenable number.

80976349 is a deficient number, since it is larger than the sum of its proper divisors (1).

80976349 is an equidigital number, since it uses as much as digits as its factorization.

80976349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 80976349 is about 8998.6859596277. The cubic root of 80976349 is about 432.6327550859.

The spelling of 80976349 in words is "eighty million, nine hundred seventy-six thousand, three hundred forty-nine".