87280156567 has 2 divisors, whose sum is σ = 87280156568. Its totient is φ = 87280156566.

The previous prime is 87280156549. The next prime is 87280156573. The reversal of 87280156567 is 76565108278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87280156567 - 2²³ = 87271767959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87280156517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43640078283 + 43640078284.

It is an arithmetic number, because the mean of its divisors is an integer number (43640078284).

Almost surely, 2^87280156567 is an apocalyptic number.

87280156567 is a deficient number, since it is larger than the sum of its proper divisors (1).

87280156567 is an equidigital number, since it uses as much as digits as its factorization.

87280156567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 87280156567 in words is "eighty-seven billion, two hundred eighty million, one hundred fifty-six thousand, five hundred sixty-seven".