87358739 has 8 divisors (see below), whose sum is σ = 96621840. Its totient is φ = 78458976.

The previous prime is 87358723. The next prime is 87358781. The reversal of 87358739 is 93785378.

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 87358739 - 2⁴ = 87358723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87358339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90329 + ... + 91290.

It is an arithmetic number, because the mean of its divisors is an integer number (12077730).

Almost surely, 2^87358739 is an apocalyptic number.

87358739 is a deficient number, since it is larger than the sum of its proper divisors (9263101).

87358739 is a wasteful number, since it uses less digits than its factorization.

87358739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181669.

The product of its digits is 1270080, while the sum is 50.

The square root of 87358739 is about 9346.5896989223. The cubic root of 87358739 is about 443.7129651298.

The spelling of 87358739 in words is "eighty-seven million, three hundred fifty-eight thousand, seven hundred thirty-nine".