87026477 has 16 divisors (see below), whose sum is σ = 94031280. Its totient is φ = 80371200.

The previous prime is 87026461. The next prime is 87026491. The reversal of 87026477 is 77462078.

It can be written as a sum of positive squares in 8 ways, for example, as 2735716 + 84290761 = 1654^2 + 9181^2 .

It is a cyclic number.

It is not a de Polignac number, because 87026477 - 2⁴ = 87026461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87026377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62327 + ... + 63707.

It is an arithmetic number, because the mean of its divisors is an integer number (5876955).

Almost surely, 2^87026477 is an apocalyptic number.

It is an amenable number.

87026477 is a deficient number, since it is larger than the sum of its proper divisors (7004803).

87026477 is a wasteful number, since it uses less digits than its factorization.

87026477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 87026477 is about 9328.7982612982. The cubic root of 87026477 is about 443.1497081266.

The spelling of 87026477 in words is "eighty-seven million, twenty-six thousand, four hundred seventy-seven".