77675869 has 8 divisors (see below), whose sum is σ = 79150400. Its totient is φ = 76212576.

The previous prime is 77675821. The next prime is 77675879. The reversal of 77675869 is 96857677.

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 77675869 - 2⁹ = 77675357 is a prime.

It is a super-2 number, since 2×77675869² = 12067081249810322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77675879) 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, 11854 + ... + 17200.

It is an arithmetic number, because the mean of its divisors is an integer number (9893800).

Almost surely, 2^77675869 is an apocalyptic number.

It is an amenable number.

77675869 is a deficient number, since it is larger than the sum of its proper divisors (1474531).

77675869 is a wasteful number, since it uses less digits than its factorization.

77675869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619.

The product of its digits is 4445280, while the sum is 55.

The square root of 77675869 is about 8813.3914584568. The cubic root of 77675869 is about 426.6732083822.

The spelling of 77675869 in words is "seventy-seven million, six hundred seventy-five thousand, eight hundred sixty-nine".