77270965 has 8 divisors (see below), whose sum is σ = 93295008. Its totient is φ = 61436880.

The previous prime is 77270951. The next prime is 77270983. The reversal of 77270965 is 56907277.

It is a happy number.

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

It is not a de Polignac number, because 77270965 - 2¹⁵ = 77238197 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 46591 + ... + 48220.

It is an arithmetic number, because the mean of its divisors is an integer number (11661876).

Almost surely, 2^77270965 is an apocalyptic number.

It is an amenable number.

77270965 is a deficient number, since it is larger than the sum of its proper divisors (16024043).

77270965 is a wasteful number, since it uses less digits than its factorization.

77270965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94979.

The product of its (nonzero) digits is 185220, while the sum is 43.

The square root of 77270965 is about 8790.3904918951. The cubic root of 77270965 is about 425.9305378011.

The spelling of 77270965 in words is "seventy-seven million, two hundred seventy thousand, nine hundred sixty-five".