78278562431050 has 48 divisors (see below), whose sum is σ = 145759057698240. Its totient is φ = 31276829283840.

The previous prime is 78278562430897. The next prime is 78278562431077. The reversal of 78278562431050 is 5013426587287.

It is a super-2 number, since 2×78278562431050² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239938339 + ... + 240264361.

It is an arithmetic number, because the mean of its divisors is an integer number (3036647035380).

Almost surely, 2^{78278562431050} is an apocalyptic number.

78278562431050 is a deficient number, since it is larger than the sum of its proper divisors (67480495267190).

78278562431050 is a wasteful number, since it uses less digits than its factorization.

78278562431050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331327 (or 331322 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 58.

The spelling of 78278562431050 in words is "seventy-eight trillion, two hundred seventy-eight billion, five hundred sixty-two million, four hundred thirty-one thousand, fifty".