87678844 has 24 divisors (see below), whose sum is σ = 176198400. Its totient is φ = 37756080.

The previous prime is 87678827. The next prime is 87678931. The reversal of 87678844 is 44887678.

It is a junction number, because it is equal to n+sod(n) for n = 87678791 and 87678800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51604 + ... + 53275.

It is an arithmetic number, because the mean of its divisors is an integer number (7341600).

Almost surely, 2^87678844 is an apocalyptic number.

It is an amenable number.

87678844 is an abundant number, since it is smaller than the sum of its proper divisors (88519556).

87678844 is a wasteful number, since it uses less digits than its factorization.

87678844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104913 (or 104911 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 52.

The square root of 87678844 is about 9363.6982010315. The cubic root of 87678844 is about 444.2542641787.

The spelling of 87678844 in words is "eighty-seven million, six hundred seventy-eight thousand, eight hundred forty-four".