78632235 has 32 divisors (see below), whose sum is σ = 152501760. Its totient is φ = 38124000.

The previous prime is 78632227. The next prime is 78632243. The reversal of 78632235 is 53223687.

It is an interprime number because it is at equal distance from previous prime (78632227) and next prime (78632243).

It is not a de Polignac number, because 78632235 - 2³ = 78632227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78632235.

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, 24991 + ... + 27960.

It is an arithmetic number, because the mean of its divisors is an integer number (4765680).

Almost surely, 2^78632235 is an apocalyptic number.

78632235 is a deficient number, since it is larger than the sum of its proper divisors (73869525).

78632235 is a wasteful number, since it uses less digits than its factorization.

78632235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52976 (or 52970 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 78632235 is about 8867.4818860824. The cubic root of 78632235 is about 428.4171752014.

The spelling of 78632235 in words is "seventy-eight million, six hundred thirty-two thousand, two hundred thirty-five".