77852698327390 has 24 divisors (see below), whose sum is σ = 163014017315112. Its totient is φ = 26692353712080.

The previous prime is 77852698327373. The next prime is 77852698327403. The reversal of 77852698327390 is 9372389625877.

It is a super-5 number, since 5×77852698327390⁵ (a number of 71 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79441528416 + ... + 79441529395.

It is an arithmetic number, because the mean of its divisors is an integer number (6792250721463).

Almost surely, 2^{77852698327390} is an apocalyptic number.

77852698327390 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77852698327390 is an abundant number, since it is smaller than the sum of its proper divisors (85161318987722).

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

77852698327390 is a wasteful number, since it uses less digits than its factorization.

77852698327390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158883057832 (or 158883057825 counting only the distinct ones).

The product of its (nonzero) digits is 1920360960, while the sum is 76.

The spelling of 77852698327390 in words is "seventy-seven trillion, eight hundred fifty-two billion, six hundred ninety-eight million, three hundred twenty-seven thousand, three hundred ninety".