77421767714 has 8 divisors (see below), whose sum is σ = 116136002640. Its totient is φ = 38709766836.

The previous prime is 77421767707. The next prime is 77421767809. The reversal of 77421767714 is 41776712477.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469004 + ... + 612215.

It is an arithmetic number, because the mean of its divisors is an integer number (14517000330).

Almost surely, 2^77421767714 is an apocalyptic number.

77421767714 is a deficient number, since it is larger than the sum of its proper divisors (38714234926).

77421767714 is a wasteful number, since it uses less digits than its factorization.

77421767714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117024.

The product of its digits is 3226944, while the sum is 53.

The spelling of 77421767714 in words is "seventy-seven billion, four hundred twenty-one million, seven hundred sixty-seven thousand, seven hundred fourteen".