77252446641122 has 8 divisors (see below), whose sum is σ = 117466049002476. Its totient is φ = 38097096973632.

The previous prime is 77252446641119. The next prime is 77252446641169. The reversal of 77252446641122 is 22114664425277.

It can be written as a sum of positive squares in 2 ways, for example, as 72908219354161 + 4344227286961 = 8538631^2 + 2084281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×77252446641122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264563173283 + ... + 264563173574.

Almost surely, 2^{77252446641122} is an apocalyptic number.

77252446641122 is a deficient number, since it is larger than the sum of its proper divisors (40213602361354).

77252446641122 is a wasteful number, since it uses less digits than its factorization.

77252446641122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529126346932.

The product of its digits is 9031680, while the sum is 53.

The spelling of 77252446641122 in words is "seventy-seven trillion, two hundred fifty-two billion, four hundred forty-six million, six hundred forty-one thousand, one hundred twenty-two".