78153338153 has 16 divisors (see below), whose sum is σ = 89790570240. Its totient is φ = 67275262800.

The previous prime is 78153338101. The next prime is 78153338161. The reversal of 78153338153 is 35183335187.

It is a cyclic number.

It is not a de Polignac number, because 78153338153 - 2¹⁴ = 78153321769 is a prime.

It is a super-2 number, since 2×78153338153² (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 = 78153338098 and 78153338107.

It is not an unprimeable number, because it can be changed into a prime (78153338173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327326 + ... + 513272.

It is an arithmetic number, because the mean of its divisors is an integer number (5611910640).

Almost surely, 2^78153338153 is an apocalyptic number.

It is an amenable number.

78153338153 is a deficient number, since it is larger than the sum of its proper divisors (11637232087).

78153338153 is a wasteful number, since it uses less digits than its factorization.

78153338153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187988.

The product of its digits is 907200, while the sum is 47.

The spelling of 78153338153 in words is "seventy-eight billion, one hundred fifty-three million, three hundred thirty-eight thousand, one hundred fifty-three".