26016978 has 32 divisors (see below), whose sum is σ = 57347136. Its totient is φ = 7818048.

The previous prime is 26016959. The next prime is 26017003. The reversal of 26016978 is 87961062.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 525 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (1792098).

Almost surely, 2^26016978 is an apocalyptic number.

26016978 is an abundant number, since it is smaller than the sum of its proper divisors (31330158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26016978 is a wasteful number, since it uses less digits than its factorization.

26016978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7818.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 26016978 is about 5100.6840717692. The cubic root of 26016978 is about 296.3140764743.

The spelling of 26016978 in words is "twenty-six million, sixteen thousand, nine hundred seventy-eight".