77227924690 has 16 divisors (see below), whose sum is σ = 158868873792. Its totient is φ = 26478145584.

The previous prime is 77227924681. The next prime is 77227924769. The reversal of 77227924690 is 9642972277.

It is a super-2 number, since 2×77227924690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551627964 + ... + 551628103.

It is an arithmetic number, because the mean of its divisors is an integer number (9929304612).

Almost surely, 2^77227924690 is an apocalyptic number.

77227924690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77227924690 is an abundant number, since it is smaller than the sum of its proper divisors (81640949102).

77227924690 is a wasteful number, since it uses less digits than its factorization.

77227924690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103256081.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 77227924690 in words is "seventy-seven billion, two hundred twenty-seven million, nine hundred twenty-four thousand, six hundred ninety".