78252996 has 24 divisors (see below), whose sum is σ = 185585344. Its totient is φ = 25656480.

The previous prime is 78252973. The next prime is 78253003. The reversal of 78252996 is 69925287.

It is a super-2 number, since 2×78252996² = 12247062765952032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52720 + ... + 54183.

Almost surely, 2^78252996 is an apocalyptic number.

It is an amenable number.

78252996 is an abundant number, since it is smaller than the sum of its proper divisors (107332348).

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

78252996 is a wasteful number, since it uses less digits than its factorization.

78252996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106971 (or 106969 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 78252996 is about 8846.0723487885. The cubic root of 78252996 is about 427.7273207080.

The spelling of 78252996 in words is "seventy-eight million, two hundred fifty-two thousand, nine hundred ninety-six".