78369397262 has 16 divisors (see below), whose sum is σ = 126708897840. Its totient is φ = 36138439872.

The previous prime is 78369397243. The next prime is 78369397297. The reversal of 78369397262 is 26279396387.

It is a super-2 number, since 2×78369397262² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78369397195 and 78369397204.

It is a congruent number.

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, 1305548 + ... + 1364255.

It is an arithmetic number, because the mean of its divisors is an integer number (7919306115).

Almost surely, 2^78369397262 is an apocalyptic number.

78369397262 is a deficient number, since it is larger than the sum of its proper divisors (48339500578).

78369397262 is a wasteful number, since it uses less digits than its factorization.

78369397262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670947.

The product of its digits is 41150592, while the sum is 62.

The spelling of 78369397262 in words is "seventy-eight billion, three hundred sixty-nine million, three hundred ninety-seven thousand, two hundred sixty-two".