87349894378 has 32 divisors (see below), whose sum is σ = 140472440640. Its totient is φ = 40617158400.

The previous prime is 87349894369. The next prime is 87349894417.

87349894378 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406978 + ... + 583378.

It is an arithmetic number, because the mean of its divisors is an integer number (4389763770).

Almost surely, 2^87349894378 is an apocalyptic number.

87349894378 is a deficient number, since it is larger than the sum of its proper divisors (53122546262).

87349894378 is a wasteful number, since it uses less digits than its factorization.

87349894378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176662.

The product of its digits is 292626432, while the sum is 70.

The spelling of 87349894378 in words is "eighty-seven billion, three hundred forty-nine million, eight hundred ninety-four thousand, three hundred seventy-eight".