78068837 has 24 divisors (see below), whose sum is σ = 99743616. Its totient is φ = 59796000.

The previous prime is 78068821. The next prime is 78068839. The reversal of 78068837 is 73886087.

It is not a de Polignac number, because 78068837 - 2⁴ = 78068821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78068791 and 78068800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78068839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50912 + ... + 52422.

It is an arithmetic number, because the mean of its divisors is an integer number (4155984).

Almost surely, 2^78068837 is an apocalyptic number.

78068837 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

78068837 is a deficient number, since it is larger than the sum of its proper divisors (21674779).

78068837 is a wasteful number, since it uses less digits than its factorization.

78068837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 78068837 is about 8835.6571345882. The cubic root of 78068837 is about 427.3915222408.

The spelling of 78068837 in words is "seventy-eight million, sixty-eight thousand, eight hundred thirty-seven".