77329485 has 40 divisors (see below), whose sum is σ = 142031736. Its totient is φ = 40227840.

The previous prime is 77329477. The next prime is 77329493. The reversal of 77329485 is 58492377.

It is an interprime number because it is at equal distance from previous prime (77329477) and next prime (77329493).

It can be written as a sum of positive squares in 4 ways, for example, as 2368521 + 74960964 = 1539^2 + 8658^2 .

It is not a de Polignac number, because 77329485 - 2³ = 77329477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 77329485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14277 + ... + 18933.

Almost surely, 2^77329485 is an apocalyptic number.

It is an amenable number.

77329485 is a deficient number, since it is larger than the sum of its proper divisors (64702251).

77329485 is a wasteful number, since it uses less digits than its factorization.

77329485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715 (or 4706 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 77329485 is about 8793.7184967453. The cubic root of 77329485 is about 426.0380346917.

The spelling of 77329485 in words is "seventy-seven million, three hundred twenty-nine thousand, four hundred eighty-five".