87906343 has 6 divisors (see below), whose sum is σ = 102258456. Its totient is φ = 75348252.

The previous prime is 87906323. The next prime is 87906349. The reversal of 87906343 is 34360978.

It is not a de Polignac number, because 87906343 - 2²⁵ = 54351911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87906296 and 87906305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87906349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 896955 + ... + 897052.

It is an arithmetic number, because the mean of its divisors is an integer number (17043076).

Almost surely, 2^87906343 is an apocalyptic number.

87906343 is a deficient number, since it is larger than the sum of its proper divisors (14352113).

87906343 is a wasteful number, since it uses less digits than its factorization.

87906343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794021 (or 1794014 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 87906343 is about 9375.8382558574. The cubic root of 87906343 is about 444.6381656587.

The spelling of 87906343 in words is "eighty-seven million, nine hundred six thousand, three hundred forty-three".