80478763 has 2 divisors, whose sum is σ = 80478764. Its totient is φ = 80478762.

The previous prime is 80478743. The next prime is 80478767. The reversal of 80478763 is 36787408.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80478763 is a prime.

It is a super-4 number, since 4×80478763⁴ (a number of 33 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (80478767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40239381 + 40239382.

It is an arithmetic number, because the mean of its divisors is an integer number (40239382).

Almost surely, 2^80478763 is an apocalyptic number.

80478763 is a deficient number, since it is larger than the sum of its proper divisors (1).

80478763 is an equidigital number, since it uses as much as digits as its factorization.

80478763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 80478763 is about 8970.9956526575. The cubic root of 80478763 is about 431.7447820218.

The spelling of 80478763 in words is "eighty million, four hundred seventy-eight thousand, seven hundred sixty-three".