78090537965958 has 48 divisors (see below), whose sum is σ = 193535045922816. Its totient is φ = 22292197714800.

The previous prime is 78090537965939. The next prime is 78090537965963. The reversal of 78090537965958 is 85956973509087.

78090537965958 is a `hidden beast` number, since 78 + 0 + 9 + 0 + 537 + 9 + 6 + 5 + 9 + 5 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269084416 + ... + 269374467.

It is an arithmetic number, because the mean of its divisors is an integer number (4031980123392).

Almost surely, 2^{78090537965958} is an apocalyptic number.

78090537965958 is an abundant number, since it is smaller than the sum of its proper divisors (115444507956858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78090537965958 is a wasteful number, since it uses less digits than its factorization.

78090537965958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538460049 (or 538460046 counting only the distinct ones).

The product of its (nonzero) digits is 5143824000, while the sum is 81.

The spelling of 78090537965958 in words is "seventy-eight trillion, ninety billion, five hundred thirty-seven million, nine hundred sixty-five thousand, nine hundred fifty-eight".