677946590 has 8 divisors (see below), whose sum is σ = 1220303880. Its totient is φ = 271178632.

The previous prime is 677946589. The next prime is 677946611. The reversal of 677946590 is 95649776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×677946590² = 919223157785256200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33897320 + ... + 33897339.

It is an arithmetic number, because the mean of its divisors is an integer number (152537985).

Almost surely, 2^677946590 is an apocalyptic number.

677946590 is a deficient number, since it is larger than the sum of its proper divisors (542357290).

677946590 is a wasteful number, since it uses less digits than its factorization.

677946590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67794666.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The square root of 677946590 is about 26037.4075130379. The cubic root of 677946590 is about 878.4798954966.

The spelling of 677946590 in words is "six hundred seventy-seven million, nine hundred forty-six thousand, five hundred ninety".