78796029949 has 64 divisors (see below), whose sum is σ = 108182592000. Its totient is φ = 55633858560.

The previous prime is 78796029863. The next prime is 78796029967. The reversal of 78796029949 is 94992069787.

It is not a de Polignac number, because 78796029949 - 2²³ = 78787641341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78796329949) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2036617 + ... + 2074945.

It is an arithmetic number, because the mean of its divisors is an integer number (1690353000).

Almost surely, 2^78796029949 is an apocalyptic number.

It is an amenable number.

78796029949 is a deficient number, since it is larger than the sum of its proper divisors (29386562051).

78796029949 is a wasteful number, since it uses less digits than its factorization.

78796029949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38438.

The product of its (nonzero) digits is 123451776, while the sum is 70.

The spelling of 78796029949 in words is "seventy-eight billion, seven hundred ninety-six million, twenty-nine thousand, nine hundred forty-nine".