78272084131 has 8 divisors (see below), whose sum is σ = 82901813040. Its totient is φ = 73645187328.

The previous prime is 78272084089. The next prime is 78272084147. The reversal of 78272084131 is 13148027287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78272084131 - 2⁹ = 78272083619 is a prime.

It is a super-2 number, since 2×78272084131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78272004131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650986 + ... + 761791.

It is an arithmetic number, because the mean of its divisors is an integer number (10362726630).

Almost surely, 2^78272084131 is an apocalyptic number.

78272084131 is a deficient number, since it is larger than the sum of its proper divisors (4629728909).

78272084131 is a wasteful number, since it uses less digits than its factorization.

78272084131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416053.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 78272084131 in words is "seventy-eight billion, two hundred seventy-two million, eighty-four thousand, one hundred thirty-one".