78737742245373 has 16 divisors (see below), whose sum is σ = 106313482521600. Its totient is φ = 51826926556080.

The previous prime is 78737742245347. The next prime is 78737742245401. The reversal of 78737742245373 is 37354224773787.

It is not a de Polignac number, because 78737742245373 - 2²⁵ = 78737708690941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78737742245298 and 78737742245307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78737742245473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27239338 + ... + 29990948.

It is an arithmetic number, because the mean of its divisors is an integer number (6644592657600).

Almost surely, 2^{78737742245373} is an apocalyptic number.

It is an amenable number.

78737742245373 is a deficient number, since it is larger than the sum of its proper divisors (27575740276227).

78737742245373 is a wasteful number, since it uses less digits than its factorization.

78737742245373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872432.

The product of its digits is 1161699840, while the sum is 69.

The spelling of 78737742245373 in words is "seventy-eight trillion, seven hundred thirty-seven billion, seven hundred forty-two million, two hundred forty-five thousand, three hundred seventy-three".