416278078 has 4 divisors (see below), whose sum is σ = 624417120. Its totient is φ = 208139038.

The previous prime is 416278069. The next prime is 416278103. The reversal of 416278078 is 870872614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 870872614 = 2 ⋅435436307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104069518 + ... + 104069521.

It is an arithmetic number, because the mean of its divisors is an integer number (156104280).

Almost surely, 2^416278078 is an apocalyptic number.

416278078 is a deficient number, since it is larger than the sum of its proper divisors (208139042).

416278078 is a wasteful number, since it uses less digits than its factorization.

416278078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208139041.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 416278078 is about 20402.8938633714. The cubic root of 416278078 is about 746.6685291284.

The spelling of 416278078 in words is "four hundred sixteen million, two hundred seventy-eight thousand, seventy-eight".