78275353299 has 48 divisors (see below), whose sum is σ = 130539164544. Its totient is φ = 41214451200.

The previous prime is 78275353291. The next prime is 78275353339. The reversal of 78275353299 is 99235357287.

It is not a de Polignac number, because 78275353299 - 2³ = 78275353291 is a prime.

It is a super-2 number, since 2×78275353299² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78275353291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317997 + ... + 507614.

It is an arithmetic number, because the mean of its divisors is an integer number (2719565928).

Almost surely, 2^78275353299 is an apocalyptic number.

78275353299 is a deficient number, since it is larger than the sum of its proper divisors (52263811245).

78275353299 is a wasteful number, since it uses less digits than its factorization.

78275353299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825668 (or 825655 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 60.

The spelling of 78275353299 in words is "seventy-eight billion, two hundred seventy-five million, three hundred fifty-three thousand, two hundred ninety-nine".