78777525962 has 8 divisors (see below), whose sum is σ = 118546245792. Its totient is φ = 39262110700.

The previous prime is 78777525961. The next prime is 78777525973. The reversal of 78777525962 is 26952577787.

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

It is not an unprimeable number, because it can be changed into a prime (78777525961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63325364 + ... + 63326607.

It is an arithmetic number, because the mean of its divisors is an integer number (14818280724).

Almost surely, 2^78777525962 is an apocalyptic number.

78777525962 is a deficient number, since it is larger than the sum of its proper divisors (39768719830).

78777525962 is a wasteful number, since it uses less digits than its factorization.

78777525962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126652284.

The product of its digits is 103723200, while the sum is 65.

The spelling of 78777525962 in words is "seventy-eight billion, seven hundred seventy-seven million, five hundred twenty-five thousand, nine hundred sixty-two".