78964837 has 8 divisors (see below), whose sum is σ = 90357696. Its totient is φ = 67600032.

The previous prime is 78964807. The next prime is 78964849. The reversal of 78964837 is 73846987.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78964837 - 2¹⁵ = 78932069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78964807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583 + ... + 12580.

It is an arithmetic number, because the mean of its divisors is an integer number (11294712).

Almost surely, 2^78964837 is an apocalyptic number.

It is an amenable number.

78964837 is a deficient number, since it is larger than the sum of its proper divisors (11392859).

78964837 is a wasteful number, since it uses less digits than its factorization.

78964837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027.

The product of its digits is 2032128, while the sum is 52.

The square root of 78964837 is about 8886.2161238628. The cubic root of 78964837 is about 429.0203713048.

The spelling of 78964837 in words is "seventy-eight million, nine hundred sixty-four thousand, eight hundred thirty-seven".