102678478 has 16 divisors (see below), whose sum is σ = 180778464. Its totient is φ = 42815520.

The previous prime is 102678461. The next prime is 102678481. The reversal of 102678478 is 874876201.

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, 98593 + ... + 99628.

It is an arithmetic number, because the mean of its divisors is an integer number (11298654).

Almost surely, 2^102678478 is an apocalyptic number.

102678478 is a deficient number, since it is larger than the sum of its proper divisors (78099986).

102678478 is a wasteful number, since it uses less digits than its factorization.

102678478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198267.

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

The square root of 102678478 is about 10133.0389321269. The cubic root of 102678478 is about 468.2665556046.

The spelling of 102678478 in words is "one hundred two million, six hundred seventy-eight thousand, four hundred seventy-eight".