87619412 has 12 divisors (see below), whose sum is σ = 161404320. Its totient is φ = 41503896.

The previous prime is 87619403. The next prime is 87619429. The reversal of 87619412 is 21491678.

It is a super-2 number, since 2×87619412² = 15354322718451488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576368 + ... + 576519.

It is an arithmetic number, because the mean of its divisors is an integer number (13450360).

Almost surely, 2^87619412 is an apocalyptic number.

It is an amenable number.

87619412 is a deficient number, since it is larger than the sum of its proper divisors (73784908).

87619412 is a wasteful number, since it uses less digits than its factorization.

87619412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152910 (or 1152908 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 87619412 is about 9360.5241306243. The cubic root of 87619412 is about 444.1538641046.

The spelling of 87619412 in words is "eighty-seven million, six hundred nineteen thousand, four hundred twelve".