86126378 has 16 divisors (see below), whose sum is σ = 141754536. Its totient is φ = 39000000.

The previous prime is 86126357. The next prime is 86126389. The reversal of 86126378 is 87362168.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85507009 + 619369 = 9247^2 + 787^2 .

It is a Curzon 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, 29873 + ... + 32628.

Almost surely, 2^86126378 is an apocalyptic number.

86126378 is a deficient number, since it is larger than the sum of its proper divisors (55628158).

86126378 is a wasteful number, since it uses less digits than its factorization.

86126378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62569.

The product of its digits is 96768, while the sum is 41.

The square root of 86126378 is about 9280.4298391831. The cubic root of 86126378 is about 441.6166048080.

The spelling of 86126378 in words is "eighty-six million, one hundred twenty-six thousand, three hundred seventy-eight".