77525063 has 12 divisors (see below), whose sum is σ = 97387920. Its totient is φ = 60408480.

The previous prime is 77525059. The next prime is 77525081. The reversal of 77525063 is 36052577.

It is not a de Polignac number, because 77525063 - 2² = 77525059 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77525003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44918 + ... + 46611.

It is an arithmetic number, because the mean of its divisors is an integer number (8115660).

Almost surely, 2^77525063 is an apocalyptic number.

77525063 is a deficient number, since it is larger than the sum of its proper divisors (19862857).

77525063 is a wasteful number, since it uses less digits than its factorization.

77525063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91558 (or 91547 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 77525063 is about 8804.8317985070. The cubic root of 77525063 is about 426.3969039260.

The spelling of 77525063 in words is "seventy-seven million, five hundred twenty-five thousand, sixty-three".