77248697 has 8 divisors (see below), whose sum is σ = 85349376. Its totient is φ = 69543232.

The previous prime is 77248687. The next prime is 77248709. The reversal of 77248697 is 79684277.

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 77248697 - 2⁸ = 77248441 is a prime.

It is a super-2 number, since 2×77248697² = 11934722376395618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77248607) 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, 98393 + ... + 99174.

It is an arithmetic number, because the mean of its divisors is an integer number (10668672).

Almost surely, 2^77248697 is an apocalyptic number.

It is an amenable number.

77248697 is a deficient number, since it is larger than the sum of its proper divisors (8100679).

77248697 is a wasteful number, since it uses less digits than its factorization.

77248697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197607.

The product of its digits is 1185408, while the sum is 50.

The square root of 77248697 is about 8789.1237902307. The cubic root of 77248697 is about 425.8896188848.

The spelling of 77248697 in words is "seventy-seven million, two hundred forty-eight thousand, six hundred ninety-seven".