78061862 has 16 divisors (see below), whose sum is σ = 122383872. Its totient is φ = 37272840.

The previous prime is 78061859. The next prime is 78061961. The reversal of 78061862 is 26816087.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40787 + ... + 42657.

It is an arithmetic number, because the mean of its divisors is an integer number (7648992).

Almost surely, 2^78061862 is an apocalyptic number.

78061862 is a deficient number, since it is larger than the sum of its proper divisors (44322010).

78061862 is a wasteful number, since it uses less digits than its factorization.

78061862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 78061862 is about 8835.2624182873. The cubic root of 78061862 is about 427.3787935398.

The spelling of 78061862 in words is "seventy-eight million, sixty-one thousand, eight hundred sixty-two".