78369448958 has 8 divisors (see below), whose sum is σ = 122665224528. Its totient is φ = 37481040784.

The previous prime is 78369448907. The next prime is 78369448987. The reversal of 78369448958 is 85984496387.

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

It is a super-2 number, since 2×78369448958² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78369448891 and 78369448900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851841791 + ... + 851841882.

It is an arithmetic number, because the mean of its divisors is an integer number (15333153066).

Almost surely, 2^78369448958 is an apocalyptic number.

78369448958 is a deficient number, since it is larger than the sum of its proper divisors (44295775570).

78369448958 is a wasteful number, since it uses less digits than its factorization.

78369448958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703683698.

The product of its digits is 418037760, while the sum is 71.

The spelling of 78369448958 in words is "seventy-eight billion, three hundred sixty-nine million, four hundred forty-eight thousand, nine hundred fifty-eight".