77016699 has 6 divisors (see below), whose sum is σ = 111246356. Its totient is φ = 51344460.

The previous prime is 77016697. The next prime is 77016727. The reversal of 77016699 is 99661077.

It is not a de Polignac number, because 77016699 - 2¹ = 77016697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77016697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4278697 + ... + 4278714.

Almost surely, 2^77016699 is an apocalyptic number.

77016699 is a deficient number, since it is larger than the sum of its proper divisors (34229657).

77016699 is a wasteful number, since it uses less digits than its factorization.

77016699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557417 (or 8557414 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 77016699 is about 8775.9158496421. The cubic root of 77016699 is about 425.4628387925.

It can be divided in two parts, 7701 and 6699, that added together give a square (14400 = 120²).

The spelling of 77016699 in words is "seventy-seven million, sixteen thousand, six hundred ninety-nine".