87372119 has 4 divisors (see below), whose sum is σ = 88220496. Its totient is φ = 86523744.

The previous prime is 87372083. The next prime is 87372121. The reversal of 87372119 is 91127378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87372119 - 2⁸ = 87371863 is a prime.

It is a super-2 number, since 2×87372119² = 15267774357100322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87372169) 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, 424034 + ... + 424239.

It is an arithmetic number, because the mean of its divisors is an integer number (22055124).

Almost surely, 2^87372119 is an apocalyptic number.

87372119 is a deficient number, since it is larger than the sum of its proper divisors (848377).

87372119 is a wasteful number, since it uses less digits than its factorization.

87372119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848376.

The product of its digits is 21168, while the sum is 38.

The square root of 87372119 is about 9347.3054406069. The cubic root of 87372119 is about 443.7356172287.

The spelling of 87372119 in words is "eighty-seven million, three hundred seventy-two thousand, one hundred nineteen".