77049807 has 8 divisors (see below), whose sum is σ = 108140160. Its totient is φ = 48663000.

The previous prime is 77049773. The next prime is 77049823. The reversal of 77049807 is 70894077.

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

It is not a de Polignac number, because 77049807 - 2¹⁸ = 76787663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77049827) 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, 675819 + ... + 675932.

It is an arithmetic number, because the mean of its divisors is an integer number (13517520).

Almost surely, 2^77049807 is an apocalyptic number.

77049807 is a deficient number, since it is larger than the sum of its proper divisors (31090353).

77049807 is a wasteful number, since it uses less digits than its factorization.

77049807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351773.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 77049807 is about 8777.8019458176. The cubic root of 77049807 is about 425.5237961600.

The spelling of 77049807 in words is "seventy-seven million, forty-nine thousand, eight hundred seven".