78292196730 has 192 divisors, whose sum is σ = 232113143808. Its totient is φ = 18829661760.

The previous prime is 78292196687. The next prime is 78292196747. The reversal of 78292196730 is 3769129287.

It is a super-2 number, since 2×78292196730² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3383179 + ... + 3406241.

It is an arithmetic number, because the mean of its divisors is an integer number (1208922624).

Almost surely, 2^78292196730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78292196730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116056571904).

78292196730 is an abundant number, since it is smaller than the sum of its proper divisors (153820947078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78292196730 is a wasteful number, since it uses less digits than its factorization.

78292196730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23223 (or 23211 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 78292196730 in words is "seventy-eight billion, two hundred ninety-two million, one hundred ninety-six thousand, seven hundred thirty".