77053486 has 16 divisors (see below), whose sum is σ = 122880240. Its totient is φ = 36112000.

The previous prime is 77053439. The next prime is 77053489. The reversal of 77053486 is 68435077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77053489) 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, 4020 + ... + 13048.

It is an arithmetic number, because the mean of its divisors is an integer number (7680015).

Almost surely, 2^77053486 is an apocalyptic number.

77053486 is a deficient number, since it is larger than the sum of its proper divisors (45826754).

77053486 is a wasteful number, since it uses less digits than its factorization.

77053486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9299.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 77053486 is about 8778.0115060303. The cubic root of 77053486 is about 425.5305687365.

The spelling of 77053486 in words is "seventy-seven million, fifty-three thousand, four hundred eighty-six".