78424177260 has 96 divisors (see below), whose sum is σ = 257977181952. Its totient is φ = 17549464320.

The previous prime is 78424177253. The next prime is 78424177291. The reversal of 78424177260 is 6277142487.

It is a super-2 number, since 2×78424177260² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4561594 + ... + 4578753.

It is an arithmetic number, because the mean of its divisors is an integer number (2687262312).

Almost surely, 2^78424177260 is an apocalyptic number.

It is an amenable number.

78424177260 is an abundant number, since it is smaller than the sum of its proper divisors (179553004692).

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

78424177260 is a wasteful number, since it uses less digits than its factorization.

78424177260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9140383 (or 9140381 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 48.

The spelling of 78424177260 in words is "seventy-eight billion, four hundred twenty-four million, one hundred seventy-seven thousand, two hundred sixty".