77740320095 has 16 divisors (see below), whose sum is σ = 94693183488. Its totient is φ = 61255967520.

The previous prime is 77740320089. The next prime is 77740320101. The reversal of 77740320095 is 59002304777.

It is an interprime number because it is at equal distance from previous prime (77740320089) and next prime (77740320101).

It is not a de Polignac number, because 77740320095 - 2⁴ = 77740320079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4960562 + ... + 4976208.

It is an arithmetic number, because the mean of its divisors is an integer number (5918323968).

Almost surely, 2^77740320095 is an apocalyptic number.

77740320095 is a deficient number, since it is larger than the sum of its proper divisors (16952863393).

77740320095 is a wasteful number, since it uses less digits than its factorization.

77740320095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30550.

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 77740320095 in words is "seventy-seven billion, seven hundred forty million, three hundred twenty thousand, ninety-five".