77025393 has 12 divisors (see below), whose sum is σ = 111404800. Its totient is φ = 51282936.

The previous prime is 77025391. The next prime is 77025397. The reversal of 77025393 is 39352077.

It is a happy number.

It is not a de Polignac number, because 77025393 - 2¹ = 77025391 is a prime.

It is a super-2 number, since 2×77025393² = 11865822333608898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77025391) 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, 2208 + ... + 12606.

Almost surely, 2^77025393 is an apocalyptic number.

It is an amenable number.

77025393 is a deficient number, since it is larger than the sum of its proper divisors (34379407).

77025393 is a wasteful number, since it uses less digits than its factorization.

77025393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11228 (or 11225 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 77025393 is about 8776.4111685814. The cubic root of 77025393 is about 425.4788475923.

The spelling of 77025393 in words is "seventy-seven million, twenty-five thousand, three hundred ninety-three".