87416919 has 12 divisors (see below), whose sum is σ = 126906000. Its totient is φ = 57983904.

The previous prime is 87416909. The next prime is 87416921. The reversal of 87416919 is 91961478.

It is a happy number.

It is not a de Polignac number, because 87416919 - 2⁵ = 87416887 is a prime.

It is a super-2 number, since 2×87416919² = 15283435454905122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87416909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22614 + ... + 26195.

It is an arithmetic number, because the mean of its divisors is an integer number (10575500).

Almost surely, 2^87416919 is an apocalyptic number.

87416919 is a deficient number, since it is larger than the sum of its proper divisors (39489081).

87416919 is a wasteful number, since it uses less digits than its factorization.

87416919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49014 (or 49011 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 87416919 is about 9349.7015460388. The cubic root of 87416919 is about 443.8114459910.

The spelling of 87416919 in words is "eighty-seven million, four hundred sixteen thousand, nine hundred nineteen".