772834422990 has 32 divisors (see below), whose sum is σ = 2119774417920. Its totient is φ = 176647868064.

The previous prime is 772834422977. The next prime is 772834422991. The reversal of 772834422990 is 99224438277.

772834422990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 772834422990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772834422991) 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, 1840081750 + ... + 1840082169.

It is an arithmetic number, because the mean of its divisors is an integer number (66242950560).

Almost surely, 2^772834422990 is an apocalyptic number.

772834422990 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

772834422990 is an abundant number, since it is smaller than the sum of its proper divisors (1346939994930).

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

772834422990 is a wasteful number, since it uses less digits than its factorization.

772834422990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680163936.

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 772834422990 in words is "seven hundred seventy-two billion, eight hundred thirty-four million, four hundred twenty-two thousand, nine hundred ninety".