87681628419 has 16 divisors (see below), whose sum is σ = 145756473600. Its totient is φ = 45548897760.

The previous prime is 87681628373. The next prime is 87681628427. The reversal of 87681628419 is 91482618678.

It is not a de Polignac number, because 87681628419 - 2²⁹ = 87144757507 is a prime.

It is a super-2 number, since 2×87681628419² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87681628459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189786844 + ... + 189787305.

It is an arithmetic number, because the mean of its divisors is an integer number (9109779600).

Almost surely, 2^87681628419 is an apocalyptic number.

87681628419 is a deficient number, since it is larger than the sum of its proper divisors (58074845181).

87681628419 is a wasteful number, since it uses less digits than its factorization.

87681628419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379574170.

The product of its digits is 9289728, while the sum is 60.

The spelling of 87681628419 in words is "eighty-seven billion, six hundred eighty-one million, six hundred twenty-eight thousand, four hundred nineteen".