87038787 has 8 divisors (see below), whose sum is σ = 126601920. Its totient is φ = 52750760.

The previous prime is 87038771. The next prime is 87038801. The reversal of 87038787 is 78783078.

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 87038787 - 2⁴ = 87038771 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (87038717) 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, 1318737 + ... + 1318802.

It is an arithmetic number, because the mean of its divisors is an integer number (15825240).

Almost surely, 2^87038787 is an apocalyptic number.

87038787 is a deficient number, since it is larger than the sum of its proper divisors (39563133).

87038787 is a wasteful number, since it uses less digits than its factorization.

87038787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637553.

The product of its (nonzero) digits is 526848, while the sum is 48.

The square root of 87038787 is about 9329.4580228436. The cubic root of 87038787 is about 443.1706018281.

The spelling of 87038787 in words is "eighty-seven million, thirty-eight thousand, seven hundred eighty-seven".