77950534 has 16 divisors (see below), whose sum is σ = 120305088. Its totient is φ = 37861312.

The previous prime is 77950507. The next prime is 77950549. The reversal of 77950534 is 43505977.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9852 + ... + 15904.

It is an arithmetic number, because the mean of its divisors is an integer number (7519068).

Almost surely, 2^77950534 is an apocalyptic number.

77950534 is a deficient number, since it is larger than the sum of its proper divisors (42354554).

77950534 is a wasteful number, since it uses less digits than its factorization.

77950534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 77950534 is about 8828.9599613998. The cubic root of 77950534 is about 427.1755279867.

The spelling of 77950534 in words is "seventy-seven million, nine hundred fifty thousand, five hundred thirty-four".