772853642442 has 48 divisors (see below), whose sum is σ = 1914308735040. Its totient is φ = 220748875776.

The previous prime is 772853642411. The next prime is 772853642447. The reversal of 772853642442 is 244246358277.

772853642442 is a `hidden beast` number, since 7 + 7 + 28 + 536 + 42 + 4 + 42 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (772853642447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501808 + ... + 1340715.

It is an arithmetic number, because the mean of its divisors is an integer number (39881431980).

Almost surely, 2^772853642442 is an apocalyptic number.

772853642442 is an abundant number, since it is smaller than the sum of its proper divisors (1141455092598).

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

772853642442 is a wasteful number, since it uses less digits than its factorization.

772853642442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845867 (or 1845864 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 54.

The spelling of 772853642442 in words is "seven hundred seventy-two billion, eight hundred fifty-three million, six hundred forty-two thousand, four hundred forty-two".