87077251 has 8 divisors (see below), whose sum is σ = 89604144. Its totient is φ = 84583200.

The previous prime is 87077219. The next prime is 87077257. The reversal of 87077251 is 15277078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87077251 - 2⁵ = 87077219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87077251.

It is not an unprimeable number, because it can be changed into a prime (87077257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2781 + ... + 13486.

It is an arithmetic number, because the mean of its divisors is an integer number (11200518).

Almost surely, 2^87077251 is an apocalyptic number.

87077251 is a deficient number, since it is larger than the sum of its proper divisors (2526893).

87077251 is a wasteful number, since it uses less digits than its factorization.

87077251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16421.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 87077251 is about 9331.5192225061. The cubic root of 87077251 is about 443.2358738915.

The spelling of 87077251 in words is "eighty-seven million, seventy-seven thousand, two hundred fifty-one".