80377487 has 2 divisors, whose sum is σ = 80377488. Its totient is φ = 80377486.

The previous prime is 80377483. The next prime is 80377499. The reversal of 80377487 is 78477308.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80377487 - 2² = 80377483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80377481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40188743 + 40188744.

It is an arithmetic number, because the mean of its divisors is an integer number (40188744).

Almost surely, 2^80377487 is an apocalyptic number.

80377487 is a deficient number, since it is larger than the sum of its proper divisors (1).

80377487 is an equidigital number, since it uses as much as digits as its factorization.

80377487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 80377487 is about 8965.3492402694. The cubic root of 80377487 is about 431.5636007289.

The spelling of 80377487 in words is "eighty million, three hundred seventy-seven thousand, four hundred eighty-seven".