77033868590 has 16 divisors (see below), whose sum is σ = 158469672672. Its totient is φ = 26411612064.

The previous prime is 77033868581. The next prime is 77033868643. The reversal of 77033868590 is 9586833077.

It is a happy number.

It is a super-3 number, since 3×77033868590³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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, 550241849 + ... + 550241988.

It is an arithmetic number, because the mean of its divisors is an integer number (9904354542).

Almost surely, 2^77033868590 is an apocalyptic number.

77033868590 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77033868590 is an abundant number, since it is smaller than the sum of its proper divisors (81435804082).

77033868590 is a wasteful number, since it uses less digits than its factorization.

77033868590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100483851.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 77033868590 in words is "seventy-seven billion, thirty-three million, eight hundred sixty-eight thousand, five hundred ninety".