78090051306 has 16 divisors (see below), whose sum is σ = 162970542144. Its totient is φ = 24898277184.

The previous prime is 78090051287. The next prime is 78090051317. The reversal of 78090051306 is 60315009087.

It is a super-2 number, since 2×78090051306² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282934831 + ... + 282935106.

It is an arithmetic number, because the mean of its divisors is an integer number (10185658884).

Almost surely, 2^78090051306 is an apocalyptic number.

78090051306 is an abundant number, since it is smaller than the sum of its proper divisors (84880490838).

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

78090051306 is a wasteful number, since it uses less digits than its factorization.

78090051306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565869965.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 78090051306 in words is "seventy-eight billion, ninety million, fifty-one thousand, three hundred six".