77015400077 has 8 divisors (see below), whose sum is σ = 96019200192. Its totient is φ = 60012000000.

The previous prime is 77015400073. The next prime is 77015400089. The reversal of 77015400077 is 77000451077.

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

It is a cyclic number.

It is not a de Polignac number, because 77015400077 - 2² = 77015400073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77015400077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77015400073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500099924 + ... + 500100077.

It is an arithmetic number, because the mean of its divisors is an integer number (12002400024).

Almost surely, 2^77015400077 is an apocalyptic number.

77015400077 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

77015400077 is a deficient number, since it is larger than the sum of its proper divisors (19003800115).

77015400077 is a wasteful number, since it uses less digits than its factorization.

77015400077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000200019.

The product of its (nonzero) digits is 48020, while the sum is 38.

The spelling of 77015400077 in words is "seventy-seven billion, fifteen million, four hundred thousand, seventy-seven".