83478513039 has 32 divisors (see below), whose sum is σ = 118985531904. Its totient is φ = 51875604480.

The previous prime is 83478513007. The next prime is 83478513047. The reversal of 83478513039 is 93031587438.

It is not a de Polignac number, because 83478513039 - 2⁵ = 83478513007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 83478512982 and 83478513000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83478513059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8772294 + ... + 8781804.

It is an arithmetic number, because the mean of its divisors is an integer number (3718297872).

Almost surely, 2^83478513039 is an apocalyptic number.

83478513039 is a deficient number, since it is larger than the sum of its proper divisors (35507018865).

83478513039 is a wasteful number, since it uses less digits than its factorization.

83478513039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11167.

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

The spelling of 83478513039 in words is "eighty-three billion, four hundred seventy-eight million, five hundred thirteen thousand, thirty-nine".