77414021422 has 16 divisors (see below), whose sum is σ = 125035611120. Its totient is φ = 35812667008.

The previous prime is 77414021411. The next prime is 77414021429. The reversal of 77414021422 is 22412041477.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77414021429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19293613 + ... + 19297624.

It is an arithmetic number, because the mean of its divisors is an integer number (7814725695).

Almost surely, 2^77414021422 is an apocalyptic number.

77414021422 is a deficient number, since it is larger than the sum of its proper divisors (47621589698).

77414021422 is a wasteful number, since it uses less digits than its factorization.

77414021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38591315.

The product of its (nonzero) digits is 25088, while the sum is 34.

Adding to 77414021422 its reverse (22412041477), we get a palindrome (99826062899).

The spelling of 77414021422 in words is "seventy-seven billion, four hundred fourteen million, twenty-one thousand, four hundred twenty-two".