77013622 has 8 divisors (see below), whose sum is σ = 132023376. Its totient is φ = 33005832.

The previous prime is 77013617. The next prime is 77013649. The reversal of 77013622 is 22631077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750473 + ... + 2750500.

It is an arithmetic number, because the mean of its divisors is an integer number (16502922).

Almost surely, 2^77013622 is an apocalyptic number.

77013622 is a deficient number, since it is larger than the sum of its proper divisors (55009754).

77013622 is a wasteful number, since it uses less digits than its factorization.

77013622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500982.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 77013622 is about 8775.7405385529. The cubic root of 77013622 is about 425.4571726335.

Adding to 77013622 its reverse (22631077), we get a palindrome (99644699).

The spelling of 77013622 in words is "seventy-seven million, thirteen thousand, six hundred twenty-two".