77422002 has 32 divisors (see below), whose sum is σ = 184660992. Its totient is φ = 21158544.

The previous prime is 77421997. The next prime is 77422003. The reversal of 77422002 is 20022477.

It is not an unprimeable number, because it can be changed into a prime (77422003) 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, 39108 + ... + 41039.

It is an arithmetic number, because the mean of its divisors is an integer number (5770656).

Almost surely, 2^77422002 is an apocalyptic number.

77422002 is an abundant number, since it is smaller than the sum of its proper divisors (107238990).

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

77422002 is a wasteful number, since it uses less digits than its factorization.

77422002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80182.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 77422002 is about 8798.9773269398. The cubic root of 77422002 is about 426.2078709549.

Adding to 77422002 its reverse (20022477), we get a palindrome (97444479).

The spelling of 77422002 in words is "seventy-seven million, four hundred twenty-two thousand, two".