78376742853 has 8 divisors (see below), whose sum is σ = 105516909888. Its totient is φ = 51743868864.

The previous prime is 78376742791. The next prime is 78376742861. The reversal of 78376742853 is 35824767387.

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

It is not a de Polignac number, because 78376742853 - 2¹⁸ = 78376480709 is a prime.

It is a super-2 number, since 2×78376742853² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78376742453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126822900 + ... + 126823517.

It is an arithmetic number, because the mean of its divisors is an integer number (13189613736).

Almost surely, 2^78376742853 is an apocalyptic number.

It is an amenable number.

78376742853 is a deficient number, since it is larger than the sum of its proper divisors (27140167035).

78376742853 is a wasteful number, since it uses less digits than its factorization.

78376742853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253646523.

The product of its digits is 47416320, while the sum is 60.

The spelling of 78376742853 in words is "seventy-eight billion, three hundred seventy-six million, seven hundred forty-two thousand, eight hundred fifty-three".