78872037 has 8 divisors (see below), whose sum is σ = 109735104. Its totient is φ = 50295168.

The previous prime is 78872023. The next prime is 78872039. The reversal of 78872037 is 73027887.

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

It is not a de Polignac number, because 78872037 - 2¹² = 78867941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78872037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78872039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571468 + ... + 571605.

It is an arithmetic number, because the mean of its divisors is an integer number (13716888).

Almost surely, 2^78872037 is an apocalyptic number.

It is an amenable number.

78872037 is a deficient number, since it is larger than the sum of its proper divisors (30863067).

78872037 is a wasteful number, since it uses less digits than its factorization.

78872037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143099.

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 78872037 is about 8880.9930188014. The cubic root of 78872037 is about 428.8522428974.

The spelling of 78872037 in words is "seventy-eight million, eight hundred seventy-two thousand, thirty-seven".