78293506038 has 16 divisors (see below), whose sum is σ = 170822195136. Its totient is φ = 23725304840.

The previous prime is 78293506007. The next prime is 78293506091. The reversal of 78293506038 is 83060539287.

It is a super-2 number, since 2×78293506038² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593132556 + ... + 593132687.

It is an arithmetic number, because the mean of its divisors is an integer number (10676387196).

Almost surely, 2^78293506038 is an apocalyptic number.

78293506038 is an abundant number, since it is smaller than the sum of its proper divisors (92528689098).

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

78293506038 is a wasteful number, since it uses less digits than its factorization.

78293506038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186265259.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 78293506038 in words is "seventy-eight billion, two hundred ninety-three million, five hundred six thousand, thirty-eight".