77210214069 has 16 divisors (see below), whose sum is σ = 104571823104. Its totient is φ = 50665618800.

The previous prime is 77210214031. The next prime is 77210214097. The reversal of 77210214069 is 96041201277.

It is not a de Polignac number, because 77210214069 - 2³³ = 68620279477 is a prime.

It is a super-2 number, since 2×77210214069² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77210214269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504627 + ... + 639584.

It is an arithmetic number, because the mean of its divisors is an integer number (6535738944).

Almost surely, 2^77210214069 is an apocalyptic number.

It is an amenable number.

77210214069 is a deficient number, since it is larger than the sum of its proper divisors (27361609035).

77210214069 is a wasteful number, since it uses less digits than its factorization.

77210214069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144568.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 77210214069 in words is "seventy-seven billion, two hundred ten million, two hundred fourteen thousand, sixty-nine".