78265804152 has 32 divisors (see below), whose sum is σ = 197601788880. Its totient is φ = 25830297600.

The previous prime is 78265804151. The next prime is 78265804153. The reversal of 78265804152 is 25140856287.

It is an interprime number because it is at equal distance from previous prime (78265804151) and next prime (78265804153).

It is a super-2 number, since 2×78265804152² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78265804151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16141513 + ... + 16146360.

Almost surely, 2^78265804152 is an apocalyptic number.

It is an amenable number.

78265804152 is an abundant number, since it is smaller than the sum of its proper divisors (119335984728).

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

78265804152 is a wasteful number, since it uses less digits than its factorization.

78265804152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32287983 (or 32287979 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 78265804152 in words is "seventy-eight billion, two hundred sixty-five million, eight hundred four thousand, one hundred fifty-two".