78050503055757 has 64 divisors (see below), whose sum is σ = 114034045353984. Its totient is φ = 47347053431040.

The previous prime is 78050503055753. The next prime is 78050503055761. The reversal of 78050503055757 is 75755030505087.

It is an interprime number because it is at equal distance from previous prime (78050503055753) and next prime (78050503055761).

It is not a de Polignac number, because 78050503055757 - 2² = 78050503055753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78050503055697 and 78050503055706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78050503055753) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24506868 + ... + 27507954.

It is an arithmetic number, because the mean of its divisors is an integer number (1781781958656).

Almost surely, 2^{78050503055757} is an apocalyptic number.

It is an amenable number.

78050503055757 is a deficient number, since it is larger than the sum of its proper divisors (35983542298227).

78050503055757 is a wasteful number, since it uses less digits than its factorization.

78050503055757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001378.

The product of its (nonzero) digits is 25725000, while the sum is 57.

The spelling of 78050503055757 in words is "seventy-eight trillion, fifty billion, five hundred three million, fifty-five thousand, seven hundred fifty-seven".