78090051343 has 4 divisors (see below), whose sum is σ = 78147177840. Its totient is φ = 78032924848.

The previous prime is 78090051337. The next prime is 78090051349. The reversal of 78090051343 is 34315009087.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (78090051337) and next prime (78090051349).

It is a cyclic number.

It is not a de Polignac number, because 78090051343 - 2¹³ = 78090043151 is a prime.

It is a super-2 number, since 2×78090051343² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78090051296 and 78090051305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78090051349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28561198 + ... + 28563931.

It is an arithmetic number, because the mean of its divisors is an integer number (19536794460).

Almost surely, 2^78090051343 is an apocalyptic number.

78090051343 is a deficient number, since it is larger than the sum of its proper divisors (57126497).

78090051343 is a wasteful number, since it uses less digits than its factorization.

78090051343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57126496.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 78090051343 in words is "seventy-eight billion, ninety million, fifty-one thousand, three hundred forty-three".