80734963 has 2 divisors, whose sum is σ = 80734964. Its totient is φ = 80734962.

The previous prime is 80734957. The next prime is 80734967. The reversal of 80734963 is 36943708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80734963 - 2⁵ = 80734931 is a prime.

It is a super-2 number, since 2×80734963² = 13036268501222738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80734967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40367481 + 40367482.

It is an arithmetic number, because the mean of its divisors is an integer number (40367482).

Almost surely, 2^80734963 is an apocalyptic number.

80734963 is a deficient number, since it is larger than the sum of its proper divisors (1).

80734963 is an equidigital number, since it uses as much as digits as its factorization.

80734963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 80734963 is about 8985.2636577899. The cubic root of 80734963 is about 432.2024424829.

The spelling of 80734963 in words is "eighty million, seven hundred thirty-four thousand, nine hundred sixty-three".