78290803311 has 16 divisors (see below), whose sum is σ = 119597791488. Its totient is φ = 44626032000.

The previous prime is 78290803303. The next prime is 78290803391. The reversal of 78290803311 is 11330809287.

It is not a de Polignac number, because 78290803311 - 2³ = 78290803303 is a prime.

It is a super-2 number, since 2×78290803311² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78290803391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4640125 + ... + 4656966.

It is an arithmetic number, because the mean of its divisors is an integer number (7474861968).

Almost surely, 2^78290803311 is an apocalyptic number.

78290803311 is a deficient number, since it is larger than the sum of its proper divisors (41306988177).

78290803311 is a wasteful number, since it uses less digits than its factorization.

78290803311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9297502.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 78290803311 in words is "seventy-eight billion, two hundred ninety million, eight hundred three thousand, three hundred eleven".