77620014662 has 4 divisors (see below), whose sum is σ = 116430021996. Its totient is φ = 38810007330.

The previous prime is 77620014629. The next prime is 77620014707. The reversal of 77620014662 is 26641002677.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×77620014662² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19405003664 + ... + 19405003667.

It is an arithmetic number, because the mean of its divisors is an integer number (29107505499).

Almost surely, 2^77620014662 is an apocalyptic number.

77620014662 is a deficient number, since it is larger than the sum of its proper divisors (38810007334).

77620014662 is a wasteful number, since it uses less digits than its factorization.

77620014662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38810007333.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 77620014662 in words is "seventy-seven billion, six hundred twenty million, fourteen thousand, six hundred sixty-two".