78153027 has 8 divisors (see below), whose sum is σ = 104253120. Its totient is φ = 52077480.

The previous prime is 78152989. The next prime is 78153043. The reversal of 78153027 is 72035187.

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

It is not a de Polignac number, because 78153027 - 2⁸ = 78152771 is a prime.

It is a super-2 number, since 2×78153027² = 12215791258525458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78155027) 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, 3424 + ... + 12962.

It is an arithmetic number, because the mean of its divisors is an integer number (13031640).

Almost surely, 2^78153027 is an apocalyptic number.

78153027 is a deficient number, since it is larger than the sum of its proper divisors (26100093).

78153027 is a wasteful number, since it uses less digits than its factorization.

78153027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12273.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 78153027 is about 8840.4200692049. The cubic root of 78153027 is about 427.5451010862.

The spelling of 78153027 in words is "seventy-eight million, one hundred fifty-three thousand, twenty-seven".