87038751 has 8 divisors (see below), whose sum is σ = 118750720. Its totient is φ = 56676312.

The previous prime is 87038741. The next prime is 87038771. The reversal of 87038751 is 15783078.

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

It is not a de Polignac number, because 87038751 - 2⁹ = 87038239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87038711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337231 + ... + 337488.

It is an arithmetic number, because the mean of its divisors is an integer number (14843840).

Almost surely, 2^87038751 is an apocalyptic number.

87038751 is a deficient number, since it is larger than the sum of its proper divisors (31711969).

87038751 is a wasteful number, since it uses less digits than its factorization.

87038751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674765.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 87038751 is about 9329.4560934708. The cubic root of 87038751 is about 443.1705407284.

It can be divided in two parts, 870 and 38751, that added together give a triangular number (39621 = T₂₈₁).

The spelling of 87038751 in words is "eighty-seven million, thirty-eight thousand, seven hundred fifty-one".