87416925619 has 4 divisors (see below), whose sum is σ = 87553302120. Its totient is φ = 87280549120.

The previous prime is 87416925601. The next prime is 87416925641. The reversal of 87416925619 is 91652961478.

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 87416925619 - 2⁹ = 87416925107 is a prime.

It is a super-2 number, since 2×87416925619² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87416925689) 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, 68187289 + ... + 68188570.

It is an arithmetic number, because the mean of its divisors is an integer number (21888325530).

Almost surely, 2^87416925619 is an apocalyptic number.

87416925619 is a deficient number, since it is larger than the sum of its proper divisors (136376501).

87416925619 is a wasteful number, since it uses less digits than its factorization.

87416925619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136376500.

The product of its digits is 6531840, while the sum is 58.

The spelling of 87416925619 in words is "eighty-seven billion, four hundred sixteen million, nine hundred twenty-five thousand, six hundred nineteen".