78022965 has 32 divisors (see below), whose sum is σ = 128777472. Its totient is φ = 40320000.

The previous prime is 78022921. The next prime is 78022981. The reversal of 78022965 is 56922087.

It is a happy number.

It is not a de Polignac number, because 78022965 - 2⁹ = 78022453 is a prime.

It is a congruent number.

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, 64365 + ... + 65565.

It is an arithmetic number, because the mean of its divisors is an integer number (4024296).

Almost surely, 2^78022965 is an apocalyptic number.

It is an amenable number.

78022965 is a deficient number, since it is larger than the sum of its proper divisors (50754507).

78022965 is a wasteful number, since it uses less digits than its factorization.

78022965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 78022965 is about 8833.0609077488. The cubic root of 78022965 is about 427.3077963657.

It can be divided in two parts, 78022 and 965, that added together give a palindrome (78987).

The spelling of 78022965 in words is "seventy-eight million, twenty-two thousand, nine hundred sixty-five".