87620359 has 2 divisors, whose sum is σ = 87620360. Its totient is φ = 87620358.

The previous prime is 87620341. The next prime is 87620387. The reversal of 87620359 is 95302678.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87620359 - 2¹⁷ = 87489287 is a prime.

It is a super-2 number, since 2×87620359² = 15354654622577762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87620399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43810179 + 43810180.

It is an arithmetic number, because the mean of its divisors is an integer number (43810180).

Almost surely, 2^87620359 is an apocalyptic number.

87620359 is a deficient number, since it is larger than the sum of its proper divisors (1).

87620359 is an equidigital number, since it uses as much as digits as its factorization.

87620359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 87620359 is about 9360.5747152619. The cubic root of 87620359 is about 444.1554642530.

The spelling of 87620359 in words is "eighty-seven million, six hundred twenty thousand, three hundred fifty-nine".