87208037 has 4 divisors (see below), whose sum is σ = 99666336. Its totient is φ = 74749740.

The previous prime is 87208031. The next prime is 87208049. The reversal of 87208037 is 73080278.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73080278 = 2 ⋅36540139.

It is a cyclic number.

It is not a de Polignac number, because 87208037 - 2²⁰ = 86159461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87207988 and 87208006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87208031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6229139 + ... + 6229152.

It is an arithmetic number, because the mean of its divisors is an integer number (24916584).

Almost surely, 2^87208037 is an apocalyptic number.

It is an amenable number.

87208037 is a deficient number, since it is larger than the sum of its proper divisors (12458299).

87208037 is a wasteful number, since it uses less digits than its factorization.

87208037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12458298.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 87208037 is about 9338.5243480970. The cubic root of 87208037 is about 443.4576694743.

The spelling of 87208037 in words is "eighty-seven million, two hundred eight thousand, thirty-seven".