102774727422 has 32 divisors (see below), whose sum is σ = 236263744800. Its totient is φ = 33076923264.

The previous prime is 102774727411. The next prime is 102774727427. The reversal of 102774727422 is 224727477201.

102774727422 is a `hidden beast` number, since 102 + 7 + 7 + 472 + 74 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102774727427) 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, 32812843 + ... + 32815974.

It is an arithmetic number, because the mean of its divisors is an integer number (7383242025).

Almost surely, 2^102774727422 is an apocalyptic number.

102774727422 is an abundant number, since it is smaller than the sum of its proper divisors (133489017378).

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

102774727422 is a wasteful number, since it uses less digits than its factorization.

102774727422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65628857 (or 65628851 counting only the distinct ones).

The product of its (nonzero) digits is 614656, while the sum is 45.

The spelling of 102774727422 in words is "one hundred two billion, seven hundred seventy-four million, seven hundred twenty-seven thousand, four hundred twenty-two".