77734636501315 has 8 divisors (see below), whose sum is σ = 97337283967008. Its totient is φ = 59483895757440.

The previous prime is 77734636501283. The next prime is 77734636501321. The reversal of 77734636501315 is 51310563643777.

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

It is not a de Polignac number, because 77734636501315 - 2⁵ = 77734636501283 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 77734636501315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337976680326 + ... + 337976680555.

It is an arithmetic number, because the mean of its divisors is an integer number (12167160495876).

Almost surely, 2^{77734636501315} is an apocalyptic number.

77734636501315 is a deficient number, since it is larger than the sum of its proper divisors (19602647465693).

77734636501315 is a wasteful number, since it uses less digits than its factorization.

77734636501315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675953360909.

The product of its (nonzero) digits is 33339600, while the sum is 58.

The spelling of 77734636501315 in words is "seventy-seven trillion, seven hundred thirty-four billion, six hundred thirty-six million, five hundred one thousand, three hundred fifteen".