87876479 has 2 divisors, whose sum is σ = 87876480. Its totient is φ = 87876478.

The previous prime is 87876473. The next prime is 87876493. The reversal of 87876479 is 97467878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87876479 - 2⁸ = 87876223 is a prime.

It is a super-2 number, since 2×87876479² = 15444551122874882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87876473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43938239 + 43938240.

It is an arithmetic number, because the mean of its divisors is an integer number (43938240).

Almost surely, 2^87876479 is an apocalyptic number.

87876479 is a deficient number, since it is larger than the sum of its proper divisors (1).

87876479 is an equidigital number, since it uses as much as digits as its factorization.

87876479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 56.

The square root of 87876479 is about 9374.2455163069. The cubic root of 87876479 is about 444.5878083591.

The spelling of 87876479 in words is "eighty-seven million, eight hundred seventy-six thousand, four hundred seventy-nine".