695377278 has 64 divisors (see below), whose sum is σ = 1582804800. Its totient is φ = 226212480.

The previous prime is 695377273. The next prime is 695377289. The reversal of 695377278 is 872773596.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695377273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654868 + ... + 655928.

It is an arithmetic number, because the mean of its divisors is an integer number (24731325).

Almost surely, 2^695377278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 695377278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791402400).

695377278 is an abundant number, since it is smaller than the sum of its proper divisors (887427522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

695377278 is a wasteful number, since it uses less digits than its factorization.

695377278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1348 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The square root of 695377278 is about 26370.0071672345. The cubic root of 695377278 is about 885.9451436702.

The spelling of 695377278 in words is "six hundred ninety-five million, three hundred seventy-seven thousand, two hundred seventy-eight".