78362545 has 8 divisors (see below), whose sum is σ = 94087296. Its totient is φ = 62655216.

The previous prime is 78362539. The next prime is 78362563. The reversal of 78362545 is 54526387.

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

It is a cyclic number.

It is not a de Polignac number, because 78362545 - 2⁹ = 78362033 is a prime.

It is a super-2 number, since 2×78362545² = 12281376917754050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78362498 and 78362507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9634 + ... + 15796.

It is an arithmetic number, because the mean of its divisors is an integer number (11760912).

Almost surely, 2^78362545 is an apocalyptic number.

It is an amenable number.

78362545 is a deficient number, since it is larger than the sum of its proper divisors (15724751).

78362545 is a wasteful number, since it uses less digits than its factorization.

78362545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8711.

The product of its digits is 201600, while the sum is 40.

The square root of 78362545 is about 8852.2621402667. The cubic root of 78362545 is about 427.9268242586.

The spelling of 78362545 in words is "seventy-eight million, three hundred sixty-two thousand, five hundred forty-five".